Note 186 — EARLY DEVELOPMENT OF THE NATIONAL MONUMENT
Reading edition
Superintendent’s Monthly Narrative Report for October 1951; NPS Report 1a1, Annual Report of Officials in Charge of Field Areas and the Regional Directors, June 1, 1952.
Reading edition
Superintendent’s Monthly Narrative Report for October 1951; NPS Report 1a1, Annual Report of Officials in Charge of Field Areas and the Regional Directors, June 1, 1952.