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Coloc~o <br />University <br />August 5, 2002 <br />George Gregg <br />Asphalt Specialties <br />7321 East 88'" Ave <br />Henderson, CO 80640 <br />Kaonledge ro Go Places <br />Colorado Natural Heritage Program <br />College of Natural Resources <br />254 Cenernl Services <br />Fort Collins, Colorado 80523-6021 <br />(970);91-1309 <br />1+.1X: (970) 491-3349 <br />xww.cnhp.colostate.edu <br />Dear George: <br />The Colorado Natural Heritage Program (CNHP) is in receipt of your request for information regarding <br />the proposed Speer Gravel Pit Expansion project area. In response, I have seazched our Biological and <br />Conservation Datasystem (BCD) for natural heritage elements (occurrences of significant natural <br />communities and rare, threatened or endangered plants and animals) documented from the vicinity of the <br />area specified in your request, specifically Sec. 34, Tl S, R67W in Adams County, Colorado. <br />The enclosed report describes natural heritage resources known from this area and gives location (by <br />Township, Range, and Section), precision information, and the date of last observation of the element at <br />that location. This report includes elements known to occur within the specified project site, as well as <br />elements known from similar landscapes near the site. Please note that "precision" reflects the resolution <br />of original data. For example, an herbarium record from "4 miles east of Colorado Springs" provides <br />much less spatial information than a topographic map showing the exact location of the occurrence. <br />"Precision" codes of Seconds, Minutes, and General are defined in the footer of [he enclosed report. <br />The report also outlines the status of known elements. We have included status according to Nafural <br />Heritage Program methodology and legal status under state and federal statutes. Natural Heritage ranks <br />are standardized across the Heritage Program network, and are assigned for global and state levels of <br />rarity. They range from "1" for critically imperiled or extremely rare elements, to "5" for those that are <br />demonstrably secure. <br />You may notice that some occurrences do not have sections listed. Those species have been designated as <br />"sensitive" due to their rarity and threats by human activity. Peregrine falcons, for example, are <br />susceptible to human breeders removing falcon eggs from their nests. For these species, CNHP does not <br />normally provide location information beyond township and range. Please contact us should you require <br />more detailed information for sensitive occurrences. <br />There is one CNHP designated Potential Conservation Areas located within the vicinity of your project <br />area (see enclosed map). In order to successfully protect populations or occurrences, it is necessary to <br />delineate conservation areas. These conservation areas focus on capturing the ecological processes that <br />are necessary to support the continued existence of a particular element of natural heritage significance. <br />Conservation areas may include a single occurrence of a rare element or a suite of rare elements or <br />signifrcantfeatures. <br />` j-(eritage~ <br />ld o <br />a <br />e'~ - 9 <br />COLORA~ <br />