Mikami, Harry M., 1915- The bedrock geology of the Guilford 15-minute quadrangle and a portion of the New Haven quadrangle, by Harry M. Mikami and Ralph E. Digman. - [Hartford] 1957. - vi, 99 p. plates, diagrs., tables. 23 cm. Part of illustrative matter fold. in pocket. Bibliography: p. 89-93. LCCN: gs 58000232 Subjects--Topical Terms: Geology--Connecticut--Guilford quadrangle.Geology--Connecticut--New Haven quadrangle. LC Class. No.: QE93 / .M55