Information for questionnaire No. 1. Report No. 20a(1), USSBS Index Section 2

Information for questionnaire No. 2. Report No. 20a(2), USSBS Index Section 2

USSBS questionnaire. Report No. 39ee(1), USSBS Index Section 2

Report on USSBS questionnaire. Report No. 34f(1), USSBS Index Section 2

Photographs. Report No. 20a(6), USSBS Index Section 2

Employment. Report No. 20a(4), USSBS Index Section 2

Report on Questionnaire No. 1. Report No. 29a(1), USSBS Index Section 2

Reply to USSBS questionnaire No. 1 and No. 2 (supplementary information). Report No. 24a(3), USSBS Index Section 2

Report for general questionnaire. Report No. 29a(4), USSBS Index Section 2

Answers to USSBS questionnaire No. 1. Report No. 19b(1), USSBS Index Section 2

Reply to USSBS questionnaire No. 1. Report No. 24a(1), USSBS Index Section 2

Answer to USSBS questionnaire No. 1. Report No. 22b(1), USSBS Index Section 2

Answer to USSBS questionnaire No. 1. Report No. 22e(2), USSBS Index Section 2

USSBS questionnaire. Report No. 39h(2), USSBS Index Section 2

Production data. Report No. 20a(3), USSBS Index Section 2

Work sheets. Report No. 20a(7), USSBS Index Section 2

Maps (dispersals). Report No. 20a(5), USSBS Index Section 2

Reply to USSBS questionnaire. Report No. 28a(1), USSBS Index Section 2

Answer to USSBS questionnaire. Report No. 22f(1), USSBS Index Section 2

Answer to USSBS questionnaire. Report No. 34b(1), USSBS Index Section 2

Answers to USSBS questionnaire. Report No. 34a(1), USSBS Index Section 2

Reply to questionnaire. Report No. 38g(1), USSBS Index Section 2

Reply to questionnaire. Report No. 38i(1), USSBS Index Section 2

Reply to questionnaire. Report No. 39p(1), USSBS Index Section 2

Reply to questionnaire. Report No. 39dd(1), USSBS Index Section 2