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Publisher
- (Washington, D.C.], )1
- A. & C. Black (Edinburgh), (Printed in colours by Schenk & Macfarlane).1
- A. Hoen & Co (Baltimore)1
- Board of Public Works1
- Carey, Mathew (Philadelphia)1
- City Planning Commission1
- Dept. of Agriculture, Soil Conservation Service (Washington.)2
- General Land Office (Washington)1
- Geological Survey of Ohio (Columbus, Ohio)1
- Geological survey of Ohio1
- Indiana Geological Survey1
- J. Bien (New York)1
- J.H. Colton & Co (New York)1
- M. Carey (Philadelphia, Pa.)1
- New-York Coal Company1
- Ohio Canal Commission1
- Ohio State University1
- Ohio. Department of Natural Resources14
- Ohio. Division of Geological Survey81
- Ohio. Division of Water122