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| | Craters of the Moon NM: Historic Context Statements |
 | | Robert W. Limbert, "Among the 'Craters of the Moon' in Idaho," Literary Digest 81 (April 12, 1924): 41-44; Limbert, "Among the 'Craters of the Moon,'" National Geographic; Casner, "'Two-Gun Limbert,'" 7. |
 | | Shepherd's published briefs are: G. Frederick Shepherd, "Volcanic Phenomena in the Craters of the Moon, Idaho, Transactions of the Illinois State Academy of Science 29 (December 1936): 190-191; "Rifting and Volcanic Activity in the Craters of the Moon, Idaho, [abstract], Geological Society of America, Proceedings 48 (June 1936): 105-106. |
 | | Idaho State Board of Land Commissioners, A Preliminary Report on the Parks, Parkways and Recreational Areas of Idaho (January 1939), 96-97, quotation from 81. |
| www.nps.gov /crmo/hcsf.htm (9703 words) |
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