Yazar
Thomas Gwyn Newport
9 cilt bulundu.
Cilt sonuçları
Summary ground-water resources of Clarion County, Pennsylvania
Thomas Gwyn Newport · [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey]
42 sayfa · 1973
Groundwater
Summary ground-water resources of Washington County, Pennsylvania
Thomas Gwyn Newport · Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey
32 sayfa · 1973
Groundwater
Ground-water resources of Montgomery County, Pennsylvania
Thomas Gwyn Newport · [Topographic and Geologic Survey; may be purchased from Bureau of Publications]
83 sayfa · 1971
Groundwater / Wells