TY - BOOK AU - Knott,Jayne Fifield AU - Olimpio,Julio C. ED - Massachusetts. TI - Estimation of recharge rates to the sand and gravel aquifer using environmental tritium, Nantucket Island, Massachusetts U1 - 553.790974497 PY - 1986/// CY - Denver, CO PB - For sale by the Books and Open-file Reports Section, U.S. Geological Survey, Federal Center KW - Groundwater flow KW - Massachusetts KW - Nantucket Island KW - Aquifers KW - Radioactive tracers in hydrogeology KW - Tritium N1 - Prepared in cooperation with the Commonwealth of Massachusetts, Water Resources Commission, Division of Water Resources ER -