Yazar
d w david w greenman
2 cilt bulundu.
Cilt sonuçları
Ground water resources of Bucks County, Pennsylvania / by David W. Greenman.
D. W. (David W.) Greenman · Pennsylvania, Bureau of Topographic and Geologic Survey
78 sayfa · 1955
Water-supply -- Pennsylvania -- Bucks County
Ground-water resources of the Coastal Plain area of southeastern Pennsylvania
D. W. (David W.) Greenman · Pennsylvania Dept. of Internal Affairs, Topographic and Geologic Survey
448 sayfa · 1961
Borings -- Pennsylvania