[139]Letter, D.K. Parrott, Acting Assistant Commissioner, General Land Office, to Senator Case, June 11, 1937; Memorandum, Neal A. Butterfield, NPS, to Mr. Thompson, February 13, 1937, “Badlands National Monument Extension, South Dakota—R-1,” op. cit., p. 113. [140]L.U. Foreman, Final Report (1938-1939) on “Badlands Tunnel Engineering,” Federal Works Agency, Public Roads Administration; Custodian’s Monthly Narrative Report for June 1940. [141]Memorandum, NPS Director Cammerer to the Secretary of the Interior, July 6, 1938; “Badlands National Monument Extension, South Dakota—R-1,” op. cit., pp. 116, 117; Letter, Senator Norbeck to NPS Director Cammerer, July 30, 1935. [142]Memorandum, Antoinette Funk, Assistant Commissioner, General Land Office, to the NPS, November 8, 1938; Grazing History, Badlands National Monument (September 1963), p. 88. [143]Memorandum, NPS Director Cammerer to the Secretary of the Interior, July 6, 1938. [144]Thomas A. Sullivan, Proclamations and Orders Relating to the National Park Service up to January 1, 1945 (Washington: U.S. Government Printing Office, 1947), pp. 118-120. [145]Memorandum, U.S. Department of the Interior for the Press, February 4, 1939. [146]Letter, F. Hopkins, Acting Chief, SCS, to NPS Director Newton B. Drury, December 27, 1941. [147]Project Manager’s Monthly Narrative Report for January 1937. [148]Project Manager’s Monthly Narrative Report for April 1937. [149]Howard W. Baker, NPS Resident Landscape Architect, “Report to the Deputy Chief Architect on Development of Proposed Badlands National Monument, November 13 and 14, 1935,” December 30, 1935; “Badlands National Monument Extension, South Dakota—R-1,” op. cit., cover letter and p. 15; “Badlands Tunnel Engineering,” op. cit.; Summary of Activities at Badlands National Monument, Fiscal Year 1940 (included in Superintendent’s Fiscal Annual Narrative Report File). [150]Summary of Activities at Badlands National Monument, Fiscal Year 1940; Custodian’s Monthly Narrative Report for June 1940. [151]Ibid. [152]Memorandum, Superintendent Liek to the NPS Director, August 11, 1939; Custodian’s Monthly Narrative Report for February 1940. [153]Custodian’s Monthly Narrative Report for July 1940; Summary of Activities at Badlands National Monument, Fiscal Years 1941, 1942. [154]Memorandum, Superintendent Howard B. Stricklin to the NPS Regional Director, Midwest Region, March 17, 1965. [155]Baker, op. cit., p. 4; Memorandum, NPS Associate Director Demaray to NPS Regional Director, Region II, November 4, 1939; “Badlands National Monument Extension, South Dakota—R-1,” op. cit., p. 64. [156]Memorandum, Chief, Project Development Division, NPS, to the files, December 20, 1939; Memorandum, NPS Acting Regional Director Paul V. Brown to Regional Attorney Taylor, February 23, 1940.