1950. Printed 1950--Margin. Scale 1:500,000; Lambert conformal conic projection. U.S. Geological Survey.
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1950. 3-50--120M'--Back panel. Includes ancillary map 'Detail map of the trails in the day use area' (scale approximately 12,500), location map and text ... Indiana Department of Conservation, Division of State Parks, Lands, and Waters.
1950. Henderson, John R. and Meuschke, J. L. Includes text and location map. Scale approximately 1:63,360. Survey by J.R. Henderson and J.L. Meuschke; compilation directed by J.R. Henderson; D... United States Geological Survey.
1950. Dempsey, W. J., Duffner, R. T., and Henderson, John R. Includes text and location map. Scale approximately 1:63,500. By W.J. Dempsey, J.R. Henderson, R.T. Duffner; compilation directed By J.R. Henderson... For sale by United States Geological Survey.
1950. Henderson, John R. Includes text and location map. Scale approximately 1:63,360. The Survey.
1950. Dempsey, W. J., cartographer. Includes text and location map. Scale approximately 1:64,000. For sale by U.S. Geological Survey.
1950. Blue line print.; Shows numbers of Westinghouse Bloomington employees by home cities and towns with graduated circles.; Includes graphs.