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101.
Graphite deposits of Pennsylvania, by Benjamin L. Miller ... by Series: Pennsylvania. Topographic and geologic survey. Report ; no. 6
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Harrisburg, C.E. Aughinbaugh, printer to the state of Pennsylvania, 1912
Availability: No items available.

102.
Minerals of Pennsylvania, by Amos P. Brown and Frederick Ehrenfeld. by Series: Pennsylvania. Topographic and Geologic Survey. Report ; no. 9
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Harrisburg, Pa., W. S. Ray, 1913
Availability: No items available.

103.
Geologic map of southwestern Pennsylvania. by Series: Pennsylvania. Report ; no. 2.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Harrisburg, Pa., W. S. Ray, State Printer, 1914
Availability: No items available.

104.
The mineral production of Pennsylvania, 1911, 1913. by Series: Pennsylvania. Report ; 8, 11.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Harrisburg, Pa. [1912?-14?]
Availability: No items available.

105.
Oil and gas map of southwestern Pennsylvania, 1915. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Harrisburg, Pa., W. S. Ray, State Printer, 1916
Availability: No items available.

106.
107.
Los petróleos del Perú y de Pennsylvania, por Ricardo A. Deustua ... by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Lima, Sanmartí y Ca., Impresores [1919?]
Availability: No items available.

108.
Glass manufacture and the glass sand industry of Pennsylvania, by Charles Reinhard Fettke, Ph.D. by Series: Pennsylvania. Topographic and geologic survey. Report no. XII
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Harrisburg, Penna., J. L. L. Kuhn, printer, 1918 [i.e.1919]
Availability: No items available.

109.
Slate in Northampton County, Pennsylvania, by Charles H. Behre, Jr. by Series: Bulletin M ; 9.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Harrisburg, Pa., Dept. of Forests and Waters, Topographic and Geologic Survey, 1927
Availability: No items available.

110.
111.
Petrography of the mica peridotite dike at Dixonville, Pennsylvania, by Arthur P. Honess and Charles K. Graeber. by Series: Pennsylvania ; no. 2.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: State College, Pa., 1926
Availability: No items available.

112.
Oil-field waters of Pennsylvania, by Clark F. Barb. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: State College, Pa., School of Mineral Industries, 1931
Availability: No items available.

113.
A syllabus of Pennsylvania geology and mineral resources / by George H. Ashley. by Series: Bulletin G ; 1.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Harrisburg : Department of internal affairs, Topographic and geologic survey, 1931
Availability: No items available.

114.
The fauna of the Drum limestone of Kansas and western Missouri, by Albert Nelson Sayre ... by Series: Bulletin (Kansas Geological Survey) ; 17.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Lawrence, Kan., State Geological Survey [1931]
Availability: No items available.

115.
Geology and mineral resources of the Quakertown-Doylestown district, Pennsylvania and New Jersey / by F. Bascom ... [et al.] by Series: Geological Survey bulletin ; 828.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington : U.S. G.P.O., 1931
Availability: No items available.

116.
Geology and mineral resources of Adams county, Pennsylvania, by George W. Stose. by Series: Bulletin C ; 1.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Harrisburg, Department of internal affairs, Topographic and geologic survey, 1932
Availability: No items available.

117.
Building stones of Pennsylvania / by Ralph W. Stone. by Series: Bulletin M ; 15
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1932
Availability: No items available.

118.
119.
Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania, by Charles Butts and Elwood S. Moore. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, U.S. Govt. Print. Off., 1936
Availability: No items available.

120.
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