2003: Rocky Mountain Nature Association Conservation Corps Program was established through a partnership with the Daniels Fund to provide underserved students with an opportunity to gain experience in natural resource careers through an eleven-week summer internship. Initially, the program supported one seven-member crew working in Rocky Mountain National Park.
2006: RMNA adds a second crew to the program working in the Rawah Wilderness Area of the Arapaho-Roosevelt National Forest. Both the Estes Crew in Rocky Mountain National Park and the Rawah Crew host six participants each. The crews are comprised of a leader, an assistant leader, and four crew members. With this growth the program becomes known as the American Conservation Corps.
2007: RMNA adds a third crew located in the Sulphur Ranger District of the Arapaho-Roosevelt National Forest (West of Rocky Mountain National Park) to the program.
2009: The American Conservation Corps increases in size by adding a crew to the Canyon Lakes District of the Arapaho-Roosevelt National Forest. This crew serves in the Red Feather Lakes/Fort Collins area. The American Conservation Corps program of Rocky Mountain Nature Association now supports 24 conservation corps interns throughout each summer.
2013: The American Conservation Corps is accepted into the 21st Century Conservation Service Corps, a national movement supporting private-public partnerships that engage youth in employment opportunities on public lands.
2014: Rocky Mountain Nature Association changes its name to Rocky Mountain Conservancy and the American Conservation Corps becomes known as the Rocky Mountain Conservancy –Conservation Corps. Two additional crews are added, a second Estes Crew serving in Rocky Mountain National Park and a new crew in the Boulder Ranger District of the Arapaho-Roosevelt National Forests. The Conservation Corps now sponsors 36 interns annually.
2015: The Rocky Mountain Conservancy continues to host six crews during the summer season; however, the second Estes Crew moves over to the Colorado River District of Rocky Mountain National Park to help the special projects division on a historical preservation project. The crew is now known as the Kawuneeche Crew.
2016: The Rocky Mountain Conservancy – Conservation Corps becomes a member of The Corps Network to expand the program’s resources, gain insight and experience from other programs, and participate in a nationwide network of similar youth engagement programs.
2017: The Rocky Mountain Conservancy – Conservation Corps becomes an AmeriCorps program through The Corps Network. This affiliation allows the Conservancy to provide additional benefits to the corps members and aligns the program with national standards for service.