Christenson, D. P. “History of trout introductions in California high mountain lakes.” Symposium on the management of high mountain lakes in Californias National Parks, Fresno, CA, January 29.1976, California Trout, Inc, 9-16. San Francisco, CA: California Trout, Inc, 1977.
Davis, G. E. Preliminary inventory survey of Cliff, Hat, Ink and Terrace Lakes. Lassen Volcanic National Park, 1967.
DeMartini, John D., Phillip Buttolph, and Stephen Newmann. “Pilot Surveys of the Sifford Lakes and of the Cluster Lakes of Lassen Volcanic National Park, July 11, 2000.” 2000.
Demartini, John D., Phillip Buttolph, Stephen Newman, and Steven Zachary. “Surveys of the Sifford Lakes, Lassen Volcanic National Park.” 2000.
Everest, Fred H. A Survey of Horseshoe and Snag Lakes and their Tributaries, Lassen Volcanic National Park, June-September, 1963. 1964.
Hubbell, Paul M. “A survey of Manzanita and Reflection Lakes, Lassen Volcanic National Park, June – September, 1961.” Diss., Humboldt State College, 1961.
Hubbell, Paul M. “A survey of general ecological conditions in a group of lakes in Lassen Volcanic National Park, 1960.” 1960.
Purvis, Jesse M. Summary of aquatic resources inventory for Management Unit 14 (Twin Lakes) Lassen Volcanic National Park. 1976.
Richards, Robert C., and Charles R. Goldman. “Limnology of Californias high mountain lakes.” Symposium on the mangement of high mountain lakes in Californias National Parks, Fresno, California, January 29, 1976, Al Hall, and Richard May, 1-7. San Francisco, CA: California Trout, Inc, 1977.
Till, A. B, McHugh, E. L., and Ramsey, C. M. Mineral resource potential of the Thousand Lakes Wilderness, Shasta County, California. U S Geological Survey Open file report. 1983.
Till, A. B., and E. L. Mchugh. “Thousand Lakes Wilderness, California.” In Wilderness Mineral Potential–Assessment of Mineral-Resource Potential in U S Forest Service Lands Studies 1964-1984, by R. G. Dickinson, S. J. Kropschot, and S. P. Marsh, gs. 199-201. 1984.
Till, Alison B., Edward L. Mchugh, and C. M. Ramsey. Mineral resource potential of the Thousand Lakes Wilderness, Shasta County, California. Reston, VA: U. S. Geological Survey, 1983. Open file report OF 83-0408.
Wallis, Orthello L. Management of high country lakes in the National Parks of California. San Francisco, CA: U.S. Department of the Interior, National Park Service, Western Regional Office, 1976.
Wallis, Orthello. “Management of high-country lakes in the National Parks of California.” Symposium on the management of high mountain lakes in Californias National Parks, Fresno, CA, January 29, 1976, California Trout, Inc, 53. San Francisco: California Trout, Inc, 1977.
Watson, Sarah. “Camper impact on the Twin Lakes, Lassen Volcanic National Park.” Diss., Humboldt State University, 1977.
West, JR. “Cluster Lakes Regional Report.” 1976.
West, JR. 1976. Manzanita Lake. Report. NPS, LAVO.
West, JR. 1976. Report on Butte, Snag, and Horseshoe Lakes. NPS, LAVO.
West, JR. 1976. Report on Terrace, Shadow, and Cliff Lakes. NPS, LAVO.
West, JR. 1976. Twin Lakes Regional Report. NPS, LAVO.
West, John R. “Food Habits Analysis of Fish from Mountain Lakes in Lassen Volcanic National Park, California.” 1977.
