made in co-operation with the United States Geological Survey, 1899-1906 Pennsylvania Bureau of Topographic and Geologic Survey. creator text pau Harrisburg, Pa Harrisburg Publishing Co., state printer 1906 monographic eng

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1 p.l., 308 p. front. (double map) 24 cm. George W. McNees, Andrew S. McCreath, Richard R. Hice, commissioners. Appendices.--A. Legislative acts and contracts. B. Triangulation and primary traverse. C. Meridian lines and magnetic determinations. D. Results of spirit leveling in Pennsylvania for the years 1899 to 1905, inclusive, by S. S. Gannett and D. H. Baldwin. E. List of completed topographic maps. F. Geological publications. Topographical surveying Surveying Geology Pennsylvania GA01.P4 A4 gs 07001017 U.S. Geol. Survey. Library 800627 20260227111306.0 gs 07001017