Oncorhynchus clarkii virginalis
Arkoyd, B. 1995. Multiple Pass Depletion Trout Survey, Bitter Creek, Questa Ranger District, Carson National Forest.
S79SCHENNMUS, Legacy reference. Physical copy not yet located.
S79CONENNMUS, Legacy reference. Physical copy not yet located.
McMillan, K. (1993) Information Survey Data for U.S. Forest Service Habitat Conservation Assessment, Inland Cutthroat Trout. Retrieved from Regional Office, USFS. 6 p.
S25YARBMNMUS, Legacy reference. Physical copy not yet located.
Akroyd, R. 1988. Memorandum, Department of Game and Fish, Subject: Surveys on Rio Costilla.
Akroyd, B. 1987. Memorandum, Department of Game and Fish. Subject: Surveys on Rio Del Medio and Sawmill Creek, Questa Ranger District, Carson National Forest.
Akroyd, B. 1987. Memorandum, Department of Game and Fish. Subject: Surveys of Valle Vidal Waters.
Stefferud, J. (1983) Unpublished letter to Forest Supervisor, Carson NF. Subject: Nutritas Sales- Tres Piedras R.D. Carson Supervisor's Office, Carson National Forest, USFS. 5 p.
Unknown, 1982. Untitled management recommendations for Middle Fork Ponil Creek, Questa Ranger District, Carson National Forest.