Dyni, R. C. (1986). Subsidence investigations over salt-solution mines in Hutchinson, KS. U.S. Dept. of Interior, Bureau of Mines.
Lua i Stíl Chicago (17ú heag.)Dyni, Robert C. Subsidence Investigations over Salt-solution Mines in Hutchinson, KS. [Pittsburgh, Pa.]: U.S. Dept. of Interior, Bureau of Mines, 1986.
Lua MLA (9ú heag.)Dyni, Robert C. Subsidence Investigations over Salt-solution Mines in Hutchinson, KS. U.S. Dept. of Interior, Bureau of Mines, 1986.
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