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Administering the National Forests of Colorado: An Assessment of the Architectural and Cultural Significance of Historical Administrative Properties |
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Appendix A
Development of Colorado National Forests to 1950
Dates below refer to the establishment of Forests or major changes that affected Forest boundaries and/or administration. Minor land additions, transfers, and eliminations are not noted. Data are taken from Establishment and Modification of National Forest Boundaries - A Chronologic Record 1891-1973; compiled by the Division of Engineering, Washington D.C., October 1973. USDA, Forest Service.
ARAPAHO NATIONAL FOREST | |
| Established from portions of Medicine Bow, Pikes Peak, and Leadville Forests | 7/1/08 |
COCHETOPA NATIONAL FOREST | |
| Cochetopah Forest Reserve | 6/13/05 |
| Cochetopah National Forest | 3/4/07 |
| Cochetopa National Forest | 7/1/08 |
| Leadville Forest Reserve | 5/12/05 |
| Leadville National Forest | 3/4/07 |
| Combined with Arapaho, Cochetopa, and others | 5/26/30 |
| Cochetopa - Distributed entire Forest among Gunnison, Rio Grande and San Isabel | 7/1/44 |
GRAND MESA NATIONAL FOREST | |
| Battlement Mesa Forest Reserve | 12/24/92 |
| Battlement Mesa National Forest | 3/4/07 |
| Battlement National Forest | 7/1/08 |
| Grand Mesa National Forest | 3/11/24 |
| Fruita Forest Reserve | 2/24/06 |
| Fruita National Forest | 3/4/07 |
| Combined with Uncompahgre | 7/1/08 |
| Combined with Grand Mesa | 4/13/21 |
GUNNISON NATIONAL FOREST | |
| Gunnison Forest Reserve | 5/12/05 |
| Gunnison National Forest | 3/4/07 |
HOLY CROSS NATIONAL FOREST | |
| Holy Cross Forest Reserve | 8/25/05 |
| Holy Cross National Forest | 3/4/07 |
| Sopris National Forest | 4/26/09 |
| Combined with Holy Cross | 8/7/20 |
| Holy Cross, transferred entire Forest to White River | 1/1/45 |
MONTEZUMA NATIONAL FOREST | |
| Montezuma Forest Reserve | 6/13/05 |
| Montezuma National Forest | 3/4/07 |
| Divided entire Forest between San Juan and Uncompahgre | 7/1/47 |
PIKE NATIONAL FOREST | |
| Pikes Peak Timber Land Reserve | 2/11/92 |
| Pikes Peak Forest Reserve | 5/12/05 |
| Pikes Peak National Forest | 3/04/07 |
| Pike National Forest | 7/1/08 |
| Plum Creek Timber Land Reserve | 6/23/92 |
| South Platte Forest Reserve | 12/9/92 |
| Combined with Pikes Peak | 5/12/05 |
RIO GRANDE NATIONAL FOREST | |
| Established from parts of San Juan and Cochetopah | 7/1/08 |
ROOSEVELT NATIONAL FOREST | |
| Medicine Bow Forest Reserve (Wyo.) | 5/22/02 |
| Medicine Bow Forest Reserve (Wyo. & Colo.) | 5/17/05 |
| Medicine Bow National Forest | 3/4/07 |
| Medicine Bow National Forest (Colo.) | 7/1/08 |
| Colorado National Forest | 7/1/10 |
| Roosevelt National Forest | 3/28/32 |
ROUTT NATIONAL FOREST | |
| Park Range Forest Reserve | 6/12/05 |
| Park Range National Forest | 3/4/07 |
| Routt National Forest | 7/1/08 |
| Sierra Madre Forest Reserve | 11/5/06 |
| Sierra Madre National Forest | 3/4/07 |
| Hayden National Forest (Colo. & Wyo.) | 7/1/08 |
| Combined with Routt and Medicine Bow | 8/2/29 |
SAN ISABEL NATIONAL FOREST | |
| San Isabel Forest Reserve | 4/11/02 |
| San Isabel National Forest | 3/4/07 |
| Wet Mountains Forest Reserve | 6/12/05 |
| Wet Mountains National Forest | 3/4/07 |
| Combined with San Isabel | 7/2/08 |
| Las Animas Forest Reserve (Colo. & N.M.) | 3/1/07 |
| Las Animas National Forest (Colo. & N.M.) | 3/4/07 |
| Combined with San Isabel | 5/27/10 |
SAN JUAN NATIONAL FOREST | |
| San Juan Forest Reserve | 6/5/05 |
| San Juan National Forest | 3/4/07 |
| Durango National Forest | 6/29/11 |
| Combined with San Juan | 11/21/20 |
UNCOMPAHGRE NATIONAL FOREST | |
| Uncompahgre Forest Reserve | 6/14/05 |
| Uncompahgre National Forest | 3/4/07 |
| Fruita Forest Reserve | 2/24/06 |
| Fruita National Forest | 3/4/07 |
| Ouray Forest Reserve | 2/2/07 |
| Ouray National Forest | 3/4/07 |
| Combined with Uncompahgre | 7/1/08 |
WHITE RIVER NATIONAL FOREST | |
| White River Plateau Timber Land Reserve | 10/16/91 |
| White River Forest Reserve | 6/28/02 |
| White River National Forest | 3/4/07 |
| La Sal Forest Reserve (Colo. and Utah) | 1/25/06 |
| La Sal National Forest (Colo. and Utah) | 3/4/07 |
| La Salle National Forest | 7/2/08 |
| La Sal National Forest | 3/16/09 |
| White River, added entire Holy Cross | 1/1/45 |
| La Sal, transferred entire forest to Manti | 7/1/49 |
| Manti, changed name to Manti-La Sal | 8/28/50 |
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colorado-nf/appa.htm
Last Updated: 15-Jan-2008