TY - BOOK ID - 134941014 TI - Programs and analytical methods for the U.S. Geological Survey acid rain quality-assurance project AU - See, Randolph B. AU - Geological Survey (U.S.) PY - 1990 PB - Denver, Colorado : U.S. Geological Survey, DB - UniCat KW - Acid rain KW - Acid deposition KW - Government policy KW - Study and teaching KW - Standards KW - Geological Survey (U.S.) KW - United States. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134941014 AB - ER -