APVA | Association for the Preservation of Virginia Antiquities |
AT&SF | Atchison, Topeka, and Santa Fe Railroad |
BIA | Bureau of Indian Affairs |
CCC | Civilian Conservation Corps |
CCNPF | Coordinating Committee on National Parks and Forests |
CWA | Civil Works Administration |
D&RG | Denver and Rio Grande Western Railroad |
FERA | Federal Emergency Relief Administration |
GLO | General Land Office |
NA, RG 79 | National Archives, Record Group 79, Records of the National Park Service |
NPS | National Park Service |
PWA | Public Works Administration |
USFS | United States Forest Service |
USGS | United States Geological Survey |
WPA | Works Progress Administration |