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COUNpF. OAD 3I aken at the site inducted by an y. The texture of ed to.be a loam. 3~, and 266 ily available lis analysis will lake fertilization tg reclamation. ray has developed a located south of ~ounty. This tract uas investigated evaluate habitat Idlife on the site. pith Chuck Grand orado Division of • B. MAMMALIAN OBSERVATIONS: This site is presently being farmed for corn in the northern portion of the property and alfalfa in the southern portion. Several very large cottonwood trees a:e distributed along the fence rows and in some of the fields. A number of irrigation ditches which carry water from the Fulton Ditch on the south edge of the property are distributed through the fields. The ditch edges support a diverse association of mixed fortis and grasses in contrast to the undiversified crop area. A few clumps of various shrubs occur along the fenced boundaries of the property. Field observations conducted through July, 1980 indicated the occasional presence of rabbits, coyotes, fox, deer, and numerous small rodents. The west central portion of the property, a pasture between the cornfield and alfalfa field, has been invaded by prairie dogs and their colony now covers approximately twenty-two acres. A latilog study of the appropriate habitats for this site was run by the Colorado Division of Wildlife and indicated that a variety of small mammals and a few larger species could be expected in this area. A list u. probable species has been developed and no evidence of any endangered or threatened species was noted during this investigation. C. AVIAN OBSERVATIONS: A variety of birds were noted on the property, primarily because of the mixed environments that are available. Habitat diversity is provided on this site by the combination of cropland interspersed with heavily vegetated irrigation ditches, weeds along the fence rows, clusters of shrubs along the fences, and approximately 20 large cottonwoods dispersed on the property. Additionally, on the southwest part of the property an abandoned gravel excavation now filled with water and invaded by cattails prcv.des a marshy aquatic environment. During [he sprang large concentrations of migratortl Canada geese and various ducks were observed. A brood of mallard ducks is apparently still resident on the property. Various shorebirds, primarily killdeer, have been noted in the fields. A variety of other common species including blackbirds. redwing blackbirds, meadowlarks, crows. western flycatchers, house sparrows, field sparrows, robins. and other passerines have been observed on the -property. Other unnoted species could be expected to occur due to migratory or nomadic movements. Further penodm obse rvario ns will be made at This -~, site. A IISI of possible speces has been developed ^~~ ., Colorado latilo9 data and is available on request. ( ~:o evidence of any endangered or threatened nerves was noted during this investigation. ~D. ENDANGERED SPECIES: The determination of endangered species is governed by inforrnahon provided by the Endangered Species Act of 1973 (Public Law 92-205, 93rd Congress, S 1983. 87 Stat. 884 December 28, 19731: Modifications oRhe Endangered Species Act - Part 171Federal Register, Vol. 40, No. 188, Title 50. "~ Chapter 1 Ibg The Colorado Division of Wildlife - Wddlrfe m Danger (position statements issued periodicallya, and the Colorado Statutes and Regulations controlling hunting. Endangered species regulations provide for the protection and enhancement pf eC05 yslem5 mhabrted by endangered or threatened wildlife, and for the careful protection and management of the - species themselves. Endangered species are those Species faced with extinction (imminenq throughout all, or a significant portion, of then natural range. Threatened species are those species which (1) appear likely[o become endangered in the (orseeable future, or 121 are so similar in app~~ara race to an identified endangered form that both are protected Io ensure that the endangered form is not mistakenly • disturbed. ,.:ere rs no evidence of any endangered or threatened species in the unmediate study site area insofar as can be determined at the present time. VEGETATION ANALYSIS The Brannan Sand & Gravel Company has developed a proposal to mine a site located between 132nd Street and the Fulton Ditch, west of Nome Street, and east of Brighton Road in Adams County. The property Totals 145.5 acres. A survey of the vegetation on this vte was conducted through July, 1980. this property is farmland which has been irrigated historically by the Fulton Drtch. At the present approximately 90 acres are under cultivation for ;orn, in the northern part of the property, and alfalfa n the southern part of the property. These two crops arm [he dominant vegetation on the majority of [he