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Report of a geological reconnoissance of Indiana, made during the years 1859 and 1860
- "Reports on the analysis of the soils"@en
- "Survey of the coal fields"@en
- "Report of a geological reconnoissance of Indiana, made during the years 1859 and 1860"@en
- "Report of a geological reconnoissance of Indiana : made during the years 1859 and 1860, under the direction of the late David Dale Owen, state geologist"@en
- "Report of a geological reconnoissance of Indiana : made during the years 1859 and 1860, under the direction of the late David Dale Owen, M.D., Geologist of the State"@en