Online Books by
William S. Lytle
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Lytle, William S.: Geology of Pennsylvania's oil and gas (Commonwealth of Pennsylvania, Bureau of Topographic and Geologic Survey, 1968), also by Walter Richard Wagner, Albert E. Van Olden, Lillian A. Heeren, and Pennsylvania. Bureau of Topographic and Geologic Survey (page images at HathiTrust; US access only)- Lytle, William S.: Oil and gas developments in Pennsylvania in 1955 (Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1956), also by Charles R. Fettke (page images at HathiTrust; US access only)
- Lytle, William S.: Oil and gas developments in Pennsylvania in 1957 (Topographic and Geologic Survey, 1958) (page images at HathiTrust; US access only)
- Lytle, William S.: Oil and gas developments in Pennsylvania in 1959 (Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1960), also by Pennsylvania. Bureau of Topographic and Geologic Survey (page images at HathiTrust; US access only)
- Lytle, William S.: Oil and gas developments in Pennsylvania in 1960 (Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1961), also by Pennsylvania. Bureau of Topographic and Geologic Survey (page images at HathiTrust; US access only)
- Lytle, William S.: Oil and gas developments in Pennsylvania in 1961 (Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1962) (page images at HathiTrust; US access only)
- Lytle, William S.: Oil and gas developments in Pennsylvania in 1962 (Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1963), also by Pennsylvania. Bureau of Topographic and Geologic Survey (page images at HathiTrust; US access only)
- Lytle, William S.: Oil and gas developments in the Youngsville-Sugar Grove field of Warren County, Pennsylvania (Commonwealth of Pennsylvania, Department of Internal Affairs, Bureau of Topographic and Geological Survey, 1963), also by Wilbur H. Seifert and Pennsylvania. Bureau of Topographic and Geologic Survey (page images at HathiTrust; US access only)
- Lytle, William S.: Summary: secondary recovery operations in Pennsylvania to January 1, 1954, including petroleum reserves and production by counties. ([Harrisburg], 1955) (page images at HathiTrust; US access only)
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