Annual Reports for Rocky Mountain National Park beginning with the first report in 1915 and going through 1931. Fall River Road; Grand Lake; Bear Lake Road; Sprague's Resort; Glacier Creek; Copeland Lake; Copeland Lake Road; Sand Beach Road; Mill Creek; Beaver Creek Road; Flat Top Mountain; Mills, Enos; Darnels, D. K.; Lee, N. R.; Hutchinson, J. H.; Husted, Shepherd; Hewes, Charles; Rowand, Edward; Higby, Rogers: Edmund; Clifford; Mills, Glenn; Golden, Sidney; Higby, Harry; Dunning, Harald; Johnson, Emil; Farmers Ditch; Sprague Hotel; Bradley and Patrick Helter House; Enos Mills Shelter Cabin; A. E. Brown Shelter House; Lyman, Wilbur;
C R Trowbridge (Mon,) studied this question.