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INTRODUCTION • An archaeological clearance survey was performed by Centuries Re- search, Inc. of 20 proposed drill sites and associated access roads in Delta Lounty, Colorado. Drill sites and access roads surveyed are in- dicated in figures 1 and 2, and are all located due north of Paonia, overlooking the North Fork of the Gunnision River. The survey of the proposed impact areas was requested by Patricia Farnsworth of Colorado Westmoreland, tnc., Paonia, Colorado. Specific soil, topographic and vegetational information for each of the drill sites is provided in .Table 1. In general, however, certain qualities were held in common: soil was usually ~uite rocky, with ba- salt outcrops common; slope was generally from 5 -20o with elevation ranging from 7600 ft. to 9000 ft.; and vegetation was dominated by oak- brush. Fieldwork was conducted by Anthony L. Klesert, Senior Prehistorian of Centuries, on August 17-19, 1981. At various times, Colorado West- moreland employees accompanied Klesert, as locations were flagged or relocated. This report and the field inspection were completed to meet the requirements of applicable historic preservation laws and Executive Order 11593• All work was performed under provisions of Federal Anti- quities Permit NCO-81-3. Prior to fieldwork, a pre-field check was made at [he Montrose BLM District Office on August l7, 1981. SURI'EY METHODOLOGY • The drill sites and access roads had been previously flagged. In a few cases, locations were altered, in which case the archaeologist was accompanied to the revised locale by a Colorado Westmoreland,lnc. employee. Each drill site will involve an area 100' by 60'. Therefore survey was conducted, in a series of back-and-forth sweeps, of an area with a 200' diameter at the proposed location. The ground surface was visually inspected (although visibility was generally only fair) for any evidence of prehistoric or historic utilization of the area. Obser- vations of the local ecology were made in order to briefly describe the environmental setting of the impact area, Access roads were given a jpm (9$G) rightrof-wiay, which was closely inspected, Originally, three additional drill sites and associated roads (5$-6D) were to have been surveyed, A pre-field check at the BLM Montrose District Office showed these to be located in previously surveyed areas, so there is no need for further survey prior to granting of clearance, RESULTS One prehistoric isolated find, 5DT549, was noted on the north edge of drill site 62. It consists of a single dark gray quartzite bifacial chopping tool, formed from a secondary flake, The platform exhibits some