Thirty-seventh Annual Report of the National Advisory Committee for Aeronautics. 1951. Including Technical Reports Nos. 1003 to 1058
Thirty-eighth Annual Report of the National Advisory Committee for Aeronautics 1952. Including Technical Reports Nos. 1059 to 1110
Contributions to Economic Geology, 1905, [by] S.F. Emmons, E.C. Eckel, Geologists in Charge. [U.S. Geological Survey Bulletin No. 285. Series A, Economic Geology, 73.].
Operation of a Dithionate-process Pilot Plant for Leaching Manganese Ore from Maggie Canyon Deposit, Artillery Mountains Region, Mohave County, Ariz