Potential Fossil Yield Classification (PFYC) System for Paleontological Resources on Public Lands
Document ID: blm-2007b
2013
Bureau of Land Management. 2007b. Potential Fossil Yield Classification (PFYC) System for Paleontological Resources on Public Lands. Instruction Memorandum No. 2008-009. Washington, D.C.: Department of the Interior. October 15.