Proceedings, Volume 57

Academy of Science active American appointed ARTHUR assistant Association Board Born Bull Bulletin Calif California Canada Chairman Charles City College Columbia Committee Company Council Councilor County December Department deposits district Doctor early Economic Edward elected Engaged Engineering Fairchild Fellows field Fund Geographical Geological Society Geological Survey geologist George Hills income Institute interest James John Jour Journal Lake later Maryland Mass Medal meeting Membership Memorial Mineral Mines Missouri Museum Natural Nominated North origin Pennsylvania Penrose Petrol Petroleum Pleistocene present President problems Proceedings PROFESSIONAL Professor Projects PUBLICATIONS published RECORD Relations Report Research River Robert Rochester rocks School Secretary served Smith Society of America South Special structure summer Texas U. S. Geol United States Geological Univ University Valley Vice-President volume Washington Washington 25 York