00815cam a22002411 4500 gs 17000470 DLC 20260227111322.0 780913s1917 azu s000 0 eng c gs 17000470 (OCoLC)4220826 U.S. Geol. Survey. Library MiDW OCoLC DLC premarc RA421 .A7 no. 1 MN 1.3:B 85/68 azdocs Dickinson, Samuel Clifford, 1889- What to do with the other eight hours, by S.C. Dickinson ... 1917-18. Tucson, Ariz., University of Arizona, Bureau of mines, 1917. 1 p. l., 14 p. 23 cm. Arizona. State bureau of mines. Bulletin no. 68. Welfare series no. 1 University of Arizona. Bulletin. Recreation. 25806 25806