Results of spirit leveling in Illinois, 1896 to 1908, inclusive
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Geology topics
David Henry Baldwin
Publications and source records attributed to David Henry Baldwin.
Results of spirit leveling in West Virginia, 1896 to 1908, inclusive
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Results of spirit leveling in Ohio, 1898 to 1908, inclusive
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Results of spirit leveling in California, 1896 to 1907, inclusive
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Results of spirit leveling in the state of New York for the years 1896 to 1905, inclusive
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Results of spirit leveling in Pennsylvania for the years 1899 to 1905, inclusive
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