[On excavation of Indian ruins, and dating sites by use of tree rings] Reuse of record except for individual research requires license from LexisNexis Academic & Library Solutions.
Reproduction Note
Microfiche. [Bethesda, Md.]: LexisNexis Academic & Library Solutions, 1996. 11 x 15 cm. (CIS US Executive Branch Documents, 1910-1932 : no. SI1.7-82.11)
Reviewed/Cited In
CIS Index to U.S. Executive Branch Documents, 1910-1932 Part 1