OK 0 3 3 0 3 OIL/GAS DRILLING OIL/GAS DRILLING title oil gas drilling author oil gas drilling medium book GROUNDWATER RESOURCE MAPS - COUNTY SERIES GROUNDWATER RESOURCE MAPS - COUNTY SERIES title groundwater resource maps county series author groundwater resource maps county series medium book BIBLIOGRAPHY OF MAINE GEOLOGY BIBLIOGRAPHY OF MAINE GEOLOGY title bibliography of maine geology author bibliography of maine geology medium book