Geology and mineral resources of the Hardin and Brussels quadrangles (in Illinois)
prepared in cooperation with the Illinois State Geological Survey Division
Bok Engelsk 1952 William Walden Rubey
| Utgitt | Washington : U.S. Govt. Print. Off. , 1952
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| Omfang | V, 179 s., 14 pl. : ill. + 2 kart i lomme
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| Emner |
