Oncorhynchus clarki virginalis
Akroyd, B. (1983) Unpublished letter to Bob Patterson. Subject: Survey of Waters in the Tres Piedras Area. Carson Supervisor's Office, Carson National Forest, USFS. 1 p.
Stefferud, J. 1982. Aquatic Habitat Inventory- Valle Vidal. Email to District Ranger, Questa Ranger District, Carson National Forest. USFS.
Olson, H.F. (1983) Series of Unpublished Letters on Rio Grande Cutthroat Trout Management. Retrieved from Regional Office, USFS. 31 p.
Crellin, J. (1981) Unpublished Letter to Regional Forest, Subject: Environmental Assessment - Rio Grande Cutthroat Trout Restoration. Retrieved from Regional Office, USFS. 29 p.
Parish, B. 1978. Department of Game and Fish Memorandum. Subject: C-15 Eelctrofishing the Red River, Questa Ranger District, Carson National Forest.
Elliott, R. (1976) Final Report As Required by Federal Aid in Fish Restoration Act. Statewide Fisheries Investigations, Federal Aid Projects F-22-R-17. Brown Trout:Rio Grande Cutthroat Relationship. Job No 1-2. Retrieved from Regional Office, USFS. 12 p.
Stork, E. F. and M. A. McInnis. 1974. The distribution of native Rio Grande cutthroat trout, Salmo clarki virginalis (Oncorhynchus clarki virginalis), on the Santa Fe National Forest. . 21 p.
Elliott, R. (1974) Performance Report as Required by Federal Aid in Fish Restoration Act. Statewide Fisheries Investigations Federal Aid Project F-22-R-15 Brown Trout:Rio Grande Cutthroat Relationship. Job No. I-2. Retrieved from the Regional Office, USFS
Moody, T.M. (1973) Job Progress Report, Research Project Segment, as Required by Federal Aid in Fish Restoration Act. Statewide Fisheries Investigations, Crown Trout: Rio Grande Cutthroat Relationship, Federal Aid Project F-22-R-14 Job No. I-2. Retrieved
Harrison, J. (1961) Job Completion Report. Project No.: F-22-R-2 Job No.: A-2-2. Title: Basic Survey of Columbine Creek