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• i wildlife habitat, supporting a wide range of wildlife in addition to big game, including bear, turkey, grouse, and Rio Grande cutthroat trout. Interior fences remaining from the prior cattle operations are an impediment to big game migrations and a constant hazard of entanglement and injury to individual animals. This project funded the removal of 28 miles of net/wire interior fence and posts and the rehabilitation of dilapidated portions of the perimeter fence. Herptile Survey CDOW 5-FC-CU-DW020 $45,900 The Colorado Division of Wildlife completed a survey and- report on herptile (amphibian and reptiles) populations and status at lower elevations (less than 6000 feet msl) in the Northwest (DOW) Region of the state. The boreal toad (Bufo boreas), a Federal candidate species, was a major focus of this survey. All data are entered into the DOW computer database. Information will help wildlife managers answer questions about the status of species, assist with project impact assessments and generally improve management decisions. The final report, "Amphibian and Reptile Survey: North Portion of West Region, 1994- 1996" dated July 1997, details the survey results. 1995 Completed Projects Big Sandy Rock Sills WGFD/BLM 5-FC-CU-WG050 $28,000 Nine rock sills were installed in the Big Sandy River near Farson, WY. A tenth structure consisted of riprap along an unstable river bank near one of the sills. The work is a joint effort by BLM, BuRec, Trout Unlimited, Fish and Wildlife Service, WY Game and Fish to install many similar rock sills in a long reach (40- 50 miles) of the Big Sandy River. These sills would be installed on BLM, BuRec and state lands. The CUPCA contribution of $28,000 funded transportation of rock and contractor expenses for heavy equipment and services to install ten of the rock sills on BLM lands. Sills are intended to reduce the width of the Big Sandy river channel, create instream habitat diversity, build point bars, stabilize river banks and generally allow for development of riparian vegetation, all features beneficial to fish populations in the river. Wyoming Game and Fish Department has established fish sampling stations in some areas where sills were installed. Before and after sampling showed a three-fold increase in fish biomass associated with the rock sills.