Preliminary Geological Map of Connecticut, 1956

Preliminary Geological Map of Connecticut, 1956. In Connecticut Geological and Natural History Survey, Bulletin 8. Scale 1:253,440. Folded colour print 20.5"x27.5". Outline boundaries and formation abbreviations in red on grey basemap. On reverse side a detailed description of all formations and full references. The map is in the pocket of Explanatory Text for the Preliminary Geological Map of Connecticut, Bulletin 84, by Rogers,J. Gates, RM, and Rosenfeld, JL, 1959. PB, 64pp. Paper slippage during printing lead to wide or no margins on pp1-3, 58-59 and 62-63, but no loss of text. Otherwise in good condition. References go right back to Silliman, Hitchcock and Dana.