| 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 |