@article{68500, note = {"Published with permission of the State Geologist, Indiana Geological Survey."}, author = {French, Robert R. and Carr, Donald D.}, url = {http://library.usi.edu/record/68500}, title = {Geologic factors affecting the exploration for mineral aggregates in the Indianapolis area /}, publisher = {Dept. of Natural Resources, Geological Survey,}, recid = {68500}, pages = {p. 86-103 :}, address = {Bloomington, Ind.}, year = {1967}, }