Creator: Henderson, John R. - GeoBlacklight Search Results

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1. Total intensity aeromagnetic map of Benton County, Indiana: relative to arbitrary datum

1949. Dempsey, W. J., Duffner, R. T., and Henderson, John R. Includes text and location map. Scale 1:63360. United States Department of the Interior, Geological Survey; aeromagnetic survey 1947 by W.J. Dempse... For sale by United States Geological Survey.

2. Total intensity aeromagnetic map of Dubois County, Indiana: relative to arbitrary datum

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.

3. Total intensity aeromagnetic map of Elkhart County, Indiana: relative to arbitrary datum

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.

4. Total intensity aeromagnetic map of Fulton County, Indiana: relative to arbitrary datum

1949. Dempsey, W. J., Duffner, R. T., and Henderson, John R. Includes text and location map. Scale approximately 1:75,600. By W.J. Dempsey, J.R. Henderson, R.T. Duffner; compilation directed By J.R. Henderson... For sale by United States Geological Survey.

5. Total intensity aeromagnetic map of Gibson County, Indiana: relative to arbitrary datum

1950. Henderson, John R. Includes text and location map. Scale approximately 1:63,360. The Survey.