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CONTENTS PART I. STATE GEOLOGICAL SURVEYS Alabama, 1; Arizona., 3; Arkansas, 6; California, 10; Colorado, 14; Connecticut, 17; Delaware, 19; Florida, 19; Georgia, 21; Idaho, 24; Illinois, 28; Indiana, 33; Iowa, 34; Kansas, 37; Kentucky, 40; Louisi- ana, 44; Maine, 45; Maryland, 47; lIa.ssachusetts, 51; Michigan, 52; Minnesota, 67; Mississippi, 60; Missouri, 63; Montana, 65; Nebraska, 67; Nevada, 69; New Hampshire, 72; New Jersey, 75; New Mexico, 73; New York R2 North (~nr(llinn R4 Nn.rt.la T)~.kat~n PR (thin SO (11 ~- ' _ _ V ~, ~ hom.a, 93; Oregon, 95; Pennsylvania, 95; Rhode Island, 99; South Carolina, 100; South Dakota, 101; Tennessee, 102; Texas, 106; Utah, 108; Vermont, 108; Virginia, 111; Washington, 110; West Virginia, 118: Wisconsin. 122; Wyoming, 126-130. PART II. UNITED STATES GEOLOGICAL SURVEY

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