Drilling and installation surveys must extend beyond the edge of disturbance by at least 200 m.
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USFWS/BLM Recommendations for Avoiding Adverse Effects on Threatened, Endangered, Proposed, Candidate and BLM sensitive plants on BLM lease lands in Colorado: "For drilling pads and other installations, surveys will extend beyond the edge of disturbance by at least 200 m for T, E, P and C species, or 100 m for the cactus and S species."
USFWS/BLM Recommendations for Avoiding Adverse Effects on Threatened, Endangered, Proposed, Candidate and BLM sensitive plants on BLM lease lands in Colorado
