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HomeMy WebLinkAboutMazama Pocket Gopher - OT General - 12/26/2006 ` boo io ,Z C4 PE Consultants LLC PE Consultants LLC 4333 30`h Avenue SE Lacey, WA 98503 (360)790-1559 Business email: curtis@peconsultants.net (360)438-1985 (FAX/Phone) Web www.peconsultants.net 26 December 2006 Mr. Steve Chamberlain, P.E., President SCA Consulting Group 4200 Sixth Avenue SE, Suite 301 Lacey, WA 98503 RE: Mazama pocket gopher, State Priority, and Federally-listed Species Site Evaluation Dear Mr. Chamberlain: At your request, PE Consultants LLC has evaluated the 25-acre Dayton Airport Business Park subject property for the presence of the Mazama (Western) Pocket Gopher (Thomomys Mazama), its habitat and other State priority Species. This study has been completed in accordance with Mason County Municipal Code Chapter 17.01.110 to evaluate the presence of the particular important habitat or species, and the likelihood that the particular important habitat or species will maintain or reproduce over the long-term. The uses and activities associated with development may be restricted on a property that lies within an important habitat or within 600 feet of a mapped point location of an important species. Because the Mazama pocket gopher and its habitat have been documented by the Washington Department of Fish and Wildlife to occur in the vicinity, a site evaluation has been performed to address possible impacts to this species and its habitat and to provide viable conservation measures to protect this species into the future, if it applies to this project. The Mason County Code defines habitats to be protected under Mason County Municipal Code 17.01.110—Fish and Wildlife Habitat Conservation Areas, as habitats of sensitive species identified by the Washington State Department of Fish and Wildlife's (WDFW) `Priority Habitats and Species' (PHS) database. The Mazama pocket gopher is listed as a State Threatened Species by the WDFW PHS database, as well as a Federal Candidate Species for listing under the Endangered Species Act (ESA). Mr. Steve Chamberlain 20 March 07 Page 2 SUMMARY AND CONCLUSIONS No Mazama pocket gopher, other State priority species, or Federally-listed species have been identified to occur on the subject property. However, juveniles radiate out from their natal burrows searching for territory, making it is possible for the species to enter the site if habitat were available. Fragmented patches of marginal pocket gopher habitat occur throughout the area in the form of pastureland, lawns, and cleared areas. No impacts to significant pocket gopher habitat are expected to occur as a result of this project that would jeopardize the continued survival of this species. The site consists of a contiguous canopy of Scot's broom, which is not considered Mazama pocket gopher habitat. In fact, we typically do not find pocket gophers in areas of continuous Scot's broom. No impacts to the Mazama pocket gopher or other State Priority Species are expected as a result of the proposed project. If you have any questions, you can contact me at 360-790-1559. Sincerely, Curtis Wambach, M.S. Senior Biologist and Principal Pacific Environmental Consultants LLC 4333 30th Avenue SE Lacey, WA 98503 26 December 2006 PE Consultants LLC Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance SITE EVALUATION REPORT 1.0 INTRODUCTION Project Location. The Dayton Airport Business Park subject property (Parcel # 420022400000) is located at W State Highway Route 102, Mason County, Washington Section 2, Township 20 North, and Range 4 West, Willamette Meridian (Figure 1). Gopher Biology. The Mazama Pocket Gopher is a small burrowing mammal that eats roots, tubers, bulbs and some surface vegetation. Feeding occurs primarily underground. However, the pocket gopher also feeds above ground on forbs and grasses during the evening and nighttime or during dimly-lit overcast days. When feeding above ground, the pocket gopher bends down grasses to collect the seeds. An area of intensely foraged grasses and forbs near their mound structures is an indicator of pocket gopher high use. Gopher Habitat. The Mazama pocket gopher prefers prairie habitat. Historically, the Native Americans maintained prairie habitat in western Washington through burning the shrubs and trees off the land. Native Americans harvested camas and other crops, which grew abundantly in western Washington prairies. Since burning the fields became a thing of the past, forests and farms replaced much of the prairie ecosystem. Currently, only scattered remnants of this once human-maintained ecosystem remain in western Washington. Many of these areas are zoned for high-density development by local cities and counties. One of few high quality habitats for the Mazama pocket gopher is at the Shelton Airport. The Airport is a source of gopher dispersion near the subject property. Gopher Mounds. The Mazama pocket gopher produces characteristically crescent-shaped mounds of soil above the ground. Typically, mounds have a plug of soil closing the burrow entrance at the center portion of the crescent-shaped mound. Mounds are commonly found in lines marking the underground route of the burrow system. In contrast, moles produce larger conical-shaped mounds that appear more randomly distributed in the landscape. The pocket gopher burrow system is located just below the surface. However, brooding chambers and food caches are located as deep as 6 feet below the surface. Mound Identification. Because moles often create mounds interspersed with gopher mounds, species-specific mound identification is an essential component of the study. Moles and pocket gophers live their lives almost completely under ground. Their tunneling activity results in mounds of dirt being excavated and left on the surface. Fortunately, mole and pocket gopher mounds can be identified in the field by easily observable characteristics. Basically, moles create round or conical-shaped mounds in contrast to the Crescent or kidney shaped mound of the pocket gopher. Another key difference is that only moles create surface runs, pocket gophers don't. The entrance to the mole tunnel system is in the center of the conical-shaped mound, while the entrance for the pocket gopher tunnel is beneath a plug located on the inner side of the crescent-shaped mound. Gopher Dispersion. Although, home ranges are very small, juvenile pocket gophers sometimes wander up to 1,000 feet or more in search of territory. After several generations of these short-lived rodents, dispersion could extend a mile or more from the original natal territory. While searching for territory, juvenile pocket gophers may create individual or scattered mounds in poor habitats while probing for new territory or foraging areas. 20 March 2007 www.r)econsuItants.net PE Consultants LLC Page 1 . Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance Ix 1 t R Z G N 'o a N VUoh..�W, take W V d W STATE ROUTE 102 HWY�� gY 8USWE8S PARK'' � rurtlstafce a E NORTH LAKE OR - 3 WqY c ' O, W fiZ F x 3 ONSNN F % C9 CO �'O 3 a J 3 0 1907ft Figure 1. Vicinity Map 20 March 2007 www.peconsultants.net PE Consultants LLC Page 2 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance Individual wandering pocket gophers may create `explorer mounds' outside of the primary mound complexes through the dispersal of juveniles or less commonly, adults searching for new foraging opportunities. The separation distance for suitable habitat is a compromise between the sedentary habits of these mammals and the search for new territory as juveniles strike out on their own. Two occupied mound complexes separated by less than a few kilometers of suitable habitat could represent two independent territories. Because of these wandering individual juvenile gophers searching for territory, there may be explorer mounds between two mound complexes or in areas of unlikely gopher habitat, such as in wetlands, forests, or in cemented glacial till. 2.0 GENERAL PROPERTY DESCRIPTION AND LAND USE The approximately 25-acre subject property consists of a contiguous canopy of the non- native shrub Scot' broom (Appendix A). Topography is relatively flat. A narrow tree line occurs at the frontage of the property. The property is undeveloped and unused. No prairie habitat, preferred by the Mazama pocket gopher, occurs on the subject property. 3.0 MAZAMA POCKET GOPHER MOUND IDENTIFICATION This section describes the Mazama pocket gopher biology, including feeding habits, tunnels, dispersion, range, density, and population dynamics. 3.1 Mound Identification Gopher mounds can be distinguished from mole mounds by their shape and observable characteristics (Table 1; see photo of mounds in Appendix A). Pocket gopher mounds are generally crescent or kidney-shaped and made of finely sifted and cloddy soil (Illustration 1 & 3). Pocket gopher mounds are often built in a line, whereas moles leave more randomly placed mounds. Moles form conical or volcano-shaped mounds that are often made up of larger clods of soil in contract to the finely sifted pocket gopher mound (Illustration 1 & 2). The mole mounds are pushed up from the deep tunnels and may be 2 to 24 inches (5 to 60 cm) tall. The entrance to the pocket gopher tunnel extends generally 5 to 10 inches of the surface to the main tunnel that extends laterally in both directions. 20 March 2007 www.peconsultants.net PE Consultants LLC Page 3 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance Mole Mound Pocket Gopher Mound Side View Co;:rtesy of t:vm :h_rersity of California, Davis Mole Mound Pocket Gopher Mound Y Top Views s r Illustration 1. Aerial and side view of pocket gopher verses mole mounds 20 March 2007 www.peconsultants.net PE Consultants LLC Page 4 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance Table 1. Pocket gopher verses mole mound. Mound Feature Pocket Go her Mole Runways Surface tunnels, 1 to 4 inches below the Tunnels are 3.8 to 4.4 cm in diameter, 10-15 surface,connect with deeper runways cm below the ground,nest 90 cm in depth. located 3 to 12 inches below the surface, but may be as deep as 40 inches. Subterranean hunting paths are about 1.25 to 1.5 inches(3.2 to 3.8 cm)in diameter. Dimension of Excavated materials are piled in roughly Mounds of soil are about 10-inch or greater Mounds circular mounds that are 6 to 24 inches in diameter. diameter and 2 to 8 inches high. Shape of Mounds circular or conical-shaped mounds Crescent-or kidney-shaped Aerial view Mounds are round when viewed from Mounds are crescent-or kidney-shaped when above. viewed from above. Soil Plug Soil plug is in the middle of mound and Soil plug is in the middle of the V shape or off may not be distinct. to the side of the mound and may leave a visible depression. 1-3-inch soil lug. Raised ridge Tunnels are often just beneath the surface, No tunnels are visible from above ground. leaving a raised ridge. Distribution Scattered Mounds are found in a line 20 March 2007 www.peconsuItants.net PE Consultants LLC Page 5 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance I Conical-shaped mole mound less. f fir a A • Illustration 2. Moles push dirt through vertical tunnels 2 to 24 inches to surface of ground. Pocket gopher mound Plug on side qu JJ////{yyyyyf ////����j •� i Pocket gopher mound with plug on side and Pltit ; diagonal entrance leading to tunnel system Mole mound with plug in • •'"r� �*�' ► ,y ,�,-"'','",�,, center VIA Plug in center and typically not visible Illustration 3. Pocket gopher verses mole mounds. 20 March 2007 www.peconsultants.net PE Consultants LLC Page 6 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance 4.0 METHODOLOGY OF STUDY 4.1 Background Review Prior to the site reconnaissance, the Washington Department of Fish and Wildlife (WDFW) Priority Habitats and Species (PHS) database had been reviewed to assess background information on Mazama pocket gopher occurrence near the subject property (Appendix B). Site Investigation. Background information on possible critical areas was reviewed prior to field investigations and included the following: • The Washington Department of Fish and Wildlife (WDFW) Priority Habitats and Species (PHS) report. (Appendix B) • Anchor Environmental, LLC. 2003. Habitat Protection Plan for Streaked Horned Larks, Western (Mazama) Pocket Gophers, and Oregon Vesper Sparrows at the Olympia Regional Airport. Prepared for the Port of Olympia. • Knutsen, C. J. 2003. The Thomonys mazama pocket Gopher in Washington Prairies: a Contemporary View for Management. A Thesis: Essay of distinction submitted in partial fulfillment of the requirements for a degree Master of Environmental Studies the Evergreen State College. • Mason County Area Soil Survey, Soil Conservation Service (U.S. Department of Agriculture, 1973) • Mason County Geodata Center Available on the Internet http://www.geodata.org/online.html • Mason County Municipal Code Chapter 16.32. • PE Consultants LLC Mazama Pocket Gopher Information. ht_tp://www.r)econsultants.net/gopher.htm • PE Consultants LLC. 20 December 2006. Mazama Pocket Gopher Habitat Protection Plan. Heritage Place. • PE Consultants LLC. 20 December 2006. Mazama Pocket Gopher Habitat Protection Plan. Bradbury Estates. • PE Consultants LLC. 16 March 2005. Mazama Pocket Gopher Habitat Protection Plan. Tumwater Highlands. • PE Consultants LLC. 6 December 2005. Mazama Pocket Gopher Habitat Protection Plan. Tumwater Commerce. 4.2 Field Investigation General Gopher Mound Survey. A visual inspection of mounds was performed to identify characteristics that would distinguish a pocket gopher mound from that created by a mole or other small burrowing mammal. Initially, the site was evaluated to gain an overall visual perspective to identify and characterize potential gopher habitat and possible mound formation. 20 March 2007 www.peconsultants.net PE Consultants LLC Page 7 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance The gopher mound survey has been performed using the knowledge and experience gained form over two years of research on the Mazama pocket gopher conducted during the preparation of similar pocket gopher Habitat Protection Plans on adjacent properties. Transects of 100-feet were walked across the property in the east-west direction. Observations were made of the surrounding landscape and habitat characteristics. 4.3 Wildlife Reconnaissance Methodology An inventory of wildlife occurrence on the subject property, including the Mazama pocket gopher, was compiled through the field survey and through a review of background information obtained from USFWS, WDFW, and the Department of Natural Resources (DNR) Natural Heritage Program. Information concerning amphibian and reptile species was based on Brown et al. (1995), Kozloff (1978), Leonard et al. (1993), Nussbaum et al. (1983), and Olson et al. (1997). Bird species information was based on Acorn and Baron (1997), Hunn (1982), Johnsgard (1990), and Kozloff(1978). Information concerning birds' nests, nesting cavities, woodpecker feeding stations, animal tracks, scats, and other wildlife indicators was based on Harrison (1979) and Murie (1974). Background information about mammals was based on Forey and Fitzsimons (1987), King County (1987), and Whitaker (1996). 5.0 RESULTS Background Information No State priority species have been identified by the Washington Department of Fish and Wildlife Property Habitats and Species (PHS) database as occurring on the subject property. Reconnaissance Results No evidence of the Mazama pocket gopher has been identified on the subject property. Mole mounds are identified on the site by their "conical" shape, compared to gopher mounds that are "crescent shaped". A few mole mounds were found on the property. Since juvenile pocket gophers migrate some distance in search of new territory, future wanderings onto the site are possible. 20 March 2007 www.peconsultants.net PE Consultants LLC Page 8 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance 5.2 Analysis of Gopher Habitat No significant Mazama pocket gopher habitat occurs on the subject property important to the continued survival of this species. No prairie habitat, preferred by the Mazama pocket gopher, occurs on the subject property or in the immediate vicinity. The site consists of a contiguous Scot's broom canopy, which is not considered Mazama pocket gopher habitat. It is our experience that Mazama pocket gophers are not found in areas of dense Scot's broom. Fragmented patches of marginal pocket gopher habitat occur throughout the area in the form of pastureland and lawns. Some pocket gopher habitat is located at the Shelton airport south of the subject property. Vegetation. The vegetation on the property consists of a contiguous canopy of Scot's broom (Appendix A). Soils. Soils on most of the site generally consist of a very gravelly sandy loam to a sandy gravelly loam. Soils were excessively gravelly in some areas. The Mazama pocket gopher prefers soft malleable soils conducive for burrowing activities. 5.4 General Wildlife Observations Wildlife observations and potential occurrence on the subject property is summarized in Table 3. No Federal or State listed species or their habitats were identified on the subject property. Wildlife species observed on the subject property were common urban and suburban adapted species typical of human altered landscapes. It is possible that a greater number of species generally occur on the subject property than were observed during the site reconnaissance as the result of seasonal habitation, migratory stopovers, nocturnal habits, or a species allusive nature. 20 March 2007 www.peconsultants.net PE Consultants LLC Page 9 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance f Table 3. Observed Wildlife Occurrence on the Project Site Common Name Scientific Name Status Habitat Observation Comments BIRDS Black Capped Urban/ Chickadee Poecile atricapilla None Suburban Yes Observed in trees American Robin Turdus migratorius None Urban/ Yes Observed on site Suburban Corvus American Crow Brach rh nchos None Suburban Yes Observed on site Dark-Eyed Junco Junco hyemalis None Suburban Yes Observed on site MAMMALS Mole Sca anus sp. None Lawn grass Yes Observed mounds AMPHIBIANS None REPTILES Western Garter Thamnophis None Variable Yes Observed on site Snake ordinoides EX:Extirpated SE:State Endangered None:No listing status FE:Federal Endangered ST:State Threatened None`:This species has no state FT:Federal Threatened SC:State Candidate listing status,but it is classified FSC: Federal Species of Concern SS:State Sensitive as protected wildlife. FC: Federal Candidate SM:State Monitor EX:Extirpated 20 March 2007 www.peconsultants.net PE Consultants LLC Page 10 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance 7.0 PROPOSED PROJECT This section describes the proposed project and possible impacts to the environment and listed species. Short-term development impacts, direct construction impacts, long-term operational impacts, and species impacts will be addressed in this section. 7.1 Description The project site consists of an approximately 25-acre subdivision into 5-acre lots. The total number of lots will consist of 5 lots. 7.2 Development Impacts No impacts to the Mazama Pocket Gopher is expected to occur as part of this project because no pocket gophers are likely to occur on the subject property based on the March 2007 site reconnaissance. No evidence of Mazama pocket gopher presence was observed on the subject property during the study. It is conceivable that small, fragmented patches of marginal pocket gopher habitat occur in areas of thin Scot's broom. No impacts to significant pocket gopher habitat are expected to occur as a result of this project that would jeopardize the continued survival of this species. No impacts to Federally-listed or Priority species are likely because no evidence of these species occur on the subject property. 9.0 CONCLUSION No evidence that the Mazama pocket gopher, other State priority species, or Federally- listed species occur on the subject property. Fragmented patches of marginal pocket gopher habitat occur throughout the area in the form of pastureland, cleared areas, and lawns. No impacts to significant pocket gopher habitat are expected to occur as a result of this project that would jeopardize the continued survival of this species. 20 March 2007 www.peconsultants.net PE Consultants LLC Page 11 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance 10.0 REFERENCES Baker, R. J., R. D. Bradley, and L. R. McAliley, Jr. 2003. Pocket gophers. Pp. 276-287 in G. A. Feldhamer, B. C. Thompson, and J. A. Chapman (eds.). Wild Mammals of North America: Biology, Management, and Conservation. (2nd ed.) Johns Hopkins University Press, Baltimore, Maryland. 1,232 pp. Baron, N. and J. Acorn. 1997. Birds of the Pacific Northwest Coast, Lone Pine Publishing, Renton, Washington. Brown, H. A., R. M. Storm, W. P. Leonard. 1995. Reptiles of Washington and Oregon, Seattle Audubon Society, Seattle, Washington. Chase, J. D., W. E. Howard, and J. T. Roseberry. 1982. Pocket gophers. Pp. 239-255 in J. A. Chapman and G. A. Feldhamer (eds.). Wild Mammals of North America. Johns Hopkins University Press, Baltimore, Maryland. 1147 pp. Corkran C. C. and C. Thorns. 1996. Amphibians of Oregon, Washington, and British Columbia: A Field Identification Guide, Lone Pine Publishing, Renton, Washington. Dalquest, W. W. 1948. Mammals of Washington. University of Kansas Publications, Museum of Natural History 2:1-444. Forey, P. and C. Fitzsimons. 1987. An Instant Guide to Mammals, Random House Publishing. Harrison, H. H. 1979. A Field Guide to Western Birds'Nests of 520 Species Found Breeding in the United States West of the Mississippi River, Houghton Mifflin, Boston. Hitchcock, C.L., and A. Cronquist. 1973. Flora of the Pacific Northwest, University of Washington Press, 730 pp. Hunn, E. S.. 1982. Birding in Seattle and King County, Seattle Audubon Society, Seattle, Washington. Johnsgard, P. A. 1990. Hawks, Eagles, & Falcons of North America. Biology and Natural History, Smithsonian Institution Press, Washington, DC. Keith, J. O., R. M. Hansen, and A. L. Ward. 1959. Effect of 2,4-D on abundance and foods of pocket gophers. Journal of Wildlife Management 23:137-145. King County. 1987. Wildlife Habitat Profile, King County Open Space Program, Parks, Planning, and Resources Department. Kozloff, E.N. 1978. Plants and Animals of the Pacific Northwest: An Illustrated Guide to the Natural History of Western Oregon, Washington, and British Columbia, University of Washington Press, Seattle, Washington. 20 March 2007 www.peconsuItants.net PE Consultants LLC Page 12 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance r Larsen, E. M., and J. T. Morgan. 1991. Management recommendations for Washington's priority habitats: Oregon white Mazama pocket gopher. Washington Department of Fish and Wildlife, Olympia. 37pp. Laycock, W. A., and B. Z. Richardson. 1975. Long-term effects of pocket gopher control on vegetation and soils of a subalpine grassland. Journal of Range Management 28:458- 462. Leonard, W. P. 1993. Amphibians of Washington and Oregon, Seattle Audubon Society, Seattle, Washington. Murie, O. J. 1974. A Field Guide to Animal Tracks, Houghton Mifflin, Boston. Nussbaum, R. A., E. D. Brodie, Jr., and R. M. Storm. 1983. Amphibians and Reptiles of the Pacific Northwest, University Press of Idaho, Moscow, Idaho. Olson, D. H., W. P. Leonard, and R. B. Bury. 1997. Sampling Amphibians in Lentic Habitats: Methods and Approaches for the Pacific Northwest, Society for Northwestern Vertebrate Biology, Olympia, Washington. Smallwood, K. S., and M. L. Morrison. 1999. Spatial scaling of pocket gopher (Geomyidae) density. Southwestern Naturalist 44:73-82 Steinberg, E. K. 1995. A study of genetic differentiation and variation in the Mazama pocket gopher (Thomomys mazama) with emphasis on Fort Lewis populations. Final Report Submitted to Fort Lewis and The Nature Conservancy. Department of Zoology, University of Washington, Seattle. 51 pp. Steinberg, E. K. 1996a. Population studies and management of the threatened Mazma pocket gopher: a regional perspective. Final Report, Contract#WAFO-092795, The Nature Conservancy. 50 pp. Steinberg, E. K. 1996b. Ecology, phylogeography, and conservation of the Mazama pocket gopher: summary of 1996 research results. Investigators Annual Report to the National Park Service, Olympic National Park, Port Angeles, Washington. 2 pp. Steinberg, E. K. 1999. Diversification of genes, populations, and species: evolutionary genetics of real and virtual pocket gophers (Thomomys). Ph.D. Dissertation, University of Washington, Seattle. 157 pp. Steinberg, E. and D. Heller. 1997. Using DNA and rocks to interpret the taxonomy and patchy distribution of pocket gophers in western Washington prairies. Pp. 43-51 in Dunn and Ewing (1997). Verts, B. J. and L. N. Carraway. 1998. Land Mammals of Oregon. University of California Press, Berkeley, California. 668 pp. Verts, B. J. and L. N. Carraway. 2000. Thomomys mazama. Mammalian Species 641:1-7. 20 March 2007 www.peconsultants.net PE Consultants LLC Page 13 Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance Washington State Department of Natural Resources. 1994. Endangered, Threatened and Sensitive Vascular Plants of Washington. Washington State Department of Fish and Wildlife. 1999. Species of Concern: State Candidate Species, Olympia, Washington. Whitaker, J. O. 1996. National Audubon Society Field Guide to North American Mammals, Random House Publishing, New York. Witmer, G. W. and M. J. Pipas. 1999. Field evaluation of radiotransmitters for northern pocket gophers. Prairie Naturalist 31:9-20. Witmer, G. W., R. D. Sayler, and M. J. Pipas. 1996. Biology and habitat use of the Mazama pocket gopher (Thomomys mazama) in the Puget Sound area, Washington. Northwest Science 70:93-98. 20 March 2007 www.peconsultants.net PE Consultants LLC Page 14 ` Dayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance APPENDIX A PHOTOGRAPHS 20 March 07 PE Consultants LLC Appendix C ayton Airport Road Business Park Mazama Pocket Gopher Reconnaissance ter " xka � ' * as Off-site near Airport „ - r rt � , . ��• a M s o k eta Cy ' S" T �. '• j C , r J q � Y ":Z,,'a�t�1r*�t�s>.u'. i.et(t .. ..4���,..�'°s:a•�,.z.'�a-r.�+�'.,.z • j .<a�,.: ]�� Typical Fresh Gopher Mound Off-site photo Typical Mole mound t t. it l �t Contiguous Canopy of Scot's Broom 20 March 07 PE Consultants LLC Appendix NNbn Airport Road Business Park Mazama Pocket Gopher Reconnaissance i 1 a. f Contiguous Canopy of Scot's Broom 20 March 07 PE Consultants LLC Appendix co co N N C. -' O O v 0) A< >'f a f sb --------- _.._._. � i m �......._�......__........------- TA. o n .CENTER INE INTERSE'11ON 66 ,� 'C(,o R u 'ELEV. 1287.05 n ++ d"4BfGIN NEW ROPDWAY � _�_....... .. 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