MAINE GEOLOGICAL SURVEY AQUIFER; GROUNDWATER; HYDROLOGY; MAINE; MAP; SURFICIAL AQUIFER; SURFICIAL DEPOSIT; WATER A series of 1:50,000 scale maps showing the outlines of known deposits of coarse surficial material with well yields greater than 10 gallons per minute (gpm) and 50 gpm comprises this data set. Other information pertaining to wells, test pits, borings, etc., are also shown. Tables describe other geologic information pertaining to the deposits. MAP SETS; LOGS; TABLES This program is superseded by the Significant Aquifers Program. More detailed maps of significant surficial aquifers are published for some areas and planned for others. See Significant Aquifer Map Series. 1:50,000 scale base maps derived from USGS quadrangles; no coverage in Northwest and parts of Eastern Maine. US STATE MAINE -71 -67 48 43 1978-1981 MAINE GEOLOGICAL SURVEY MAINE GEOLOGICAL SURVEY, STATE HOUSE STATION 22 AUGUSTA ME 04333 USA (207) 289-2801 SAND AND GRAVEL AQUIFER MAPS NONAUTOMATED MANUAL NONE OPERATIONAL JOHN WILLIAMS MAINE GEOLOGICAL SURVEY MAINE GEOLOGICAL SURVEY, STATE HOUSE STATION 22 AUGUSTA ME 04333 USA (207) 289-2801 ESDD0058 MAINE GEOLOGICAL SURVEY 198709