Suggested Topics within your search.
Suggested Topics within your search.
Geology
205
Géologie
75
Groundwater
75
Geology, Stratigraphic
57
Petroleum
54
Natural gas
46
Eau souterraine
38
more ...
161
by Whitcomb, Lawrence, 1900-
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1932
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1932
Government Document
Book
162
by O'Neill, Bernard J., 1920-
[Harrisburg] : Pennsylvania. Topographic and Geologic Survey, 1976
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Pennsylvania. Topographic and Geologic Survey, 1976
Book
163
by Fettke, Charles R. (Charles Reinhard), 1888-1959
[Harrisburg, Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1954
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg, Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1954
Government Document
Book
164
by Moore, Elwood S., 1878-
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1924
“...Bulletin (Pennsylvania Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1924
Government Document
Book
165
by Stone, Ralph W. (Ralph Walter), 1876-1964
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1931
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1931
Book
166
by Skema, Viktoras W.
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1977
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1977
Book
167
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
Book
168
by Miller, Benjamin L. (Benjamin LeRoy), 1874-1944
[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] : Bureau of Topographic and Geological Survey, 1923
Book
169
by Hoskins, Donald M.
Harrisburg [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey] 1969
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg [Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey] 1969
Book
170
by Ashley, Geo. H. (George Hall), 1866-1951
Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1933
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1933
Government Document
Book
171
172
by Ashley, Geo. H. (George Hall), 1866-1951
Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1933
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1933
Government Document
Book
173
by Stone, Ralph Walter, 1876-
Harrisburg : Dept. of Forests and Waters, Topographic and Geologic Survey, 1928
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Dept. of Forests and Waters, Topographic and Geologic Survey, 1928
Book
174
by Shaw, Joseph Bradfield, 1884-
Harrisburg : Pennsylvania Topographic and Geologic Survey, 1928
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Pennsylvania Topographic and Geologic Survey, 1928
Book
175
by Sisler, James Donaldson, 1894-
Harrisburg : Bureau of Publications, 1928
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Bureau of Publications, 1928
Book
176
by Ashmead, Dever Campbell, 1884-
[Harrisburg] Dept. of Forests and Waters, Topographic and Geologic Survey 1926
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”[Harrisburg] Dept. of Forests and Waters, Topographic and Geologic Survey 1926
Book
177
by Lloyd, Orville B.
Harrisburg : Pennsylvania Dept.of Environmental Resources, Bureau of Topographic and Geologic Survey, 1977
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Pennsylvania Dept.of Environmental Resources, Bureau of Topographic and Geologic Survey, 1977
Book
178
by Lohman, Stanley William, 1907-
Harrisburg, Pa. : Department of Internal Affairs, Topographic and Geologic Survey, 1938
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Pa. : Department of Internal Affairs, Topographic and Geologic Survey, 1938
Book
179
by Ingham, Albert Irwin, 1914-
Harrisburg, Dept. of Internal Affairs, Topographic and Geologic Survey, 1956
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg, Dept. of Internal Affairs, Topographic and Geologic Survey, 1956
Book
180
by Leggette, Ralph Maxwell, 1899-
Harrisburg : Pa. Dept. of Internal Affairs, Topographic and Geologic Survey, 1936
“...Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ;...”Harrisburg : Pa. Dept. of Internal Affairs, Topographic and Geologic Survey, 1936
Book