References: |
- Deposit:: MARCY, R.B., 1854, 33RD CONGRESS, 1ST SESSION, SENATE EXECUTIVE DOCUMENT, 310 P. (P. 9).
- Deposit:: SHUMARD, G.G., 1854, 33RD CONGRESS, 1ST SESSION, SENATE EXECUTIVE DOCUMENT, P. 167-185 (P. 172).
- Deposit:: HITCHCOCK, EDWARD, 1854, 33RD CONGRESS, 1ST SESSION, SENATE EXECUTIVE DOCUMENT, P. 150-166 (P. 162).
- Deposit:: SHEPARD, C.V., 1854, 33RD CONGRESS, 1ST SESSION, SENATE EXECUTIVE DOCUMENT, P. 145-149 (P. 147).
- Deposit:: WEGEMANN, C.H., 1915, U.S. GEOLOGICAL SURVEY BULLETIN 602, 108 P. (P. 65-66, 102).
- Deposit:: HAVENS, J.S., 1977, U.S. GEOLOGICAL SURVEY AND OGS, HYDROLOGIC ATLAS 6.
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