Map showing location of clay and shale pits and ceramic plants in Indiana
Description:
Base from Map of Indiana, 1950 edition, published by U.S. Geological Survey. Minor revisions and additions made from Indiana Department of Conservation, Geological Survey, county base maps.' Scale 1:1,000,000 Compiled by H.H. Murray.
Creator:
Murray, Haydn H. (Haydn Herbert),1924-cartographer.
Publisher:
Indiana Department of Geology and Natural Resources