Dale, T. Nelson 1845-1937. The commercial marbles of western Vermont, by T. Nelson Dale. - Washington, Govt. print. off., 1912. - 170 p. plates, fold. maps, diagrs. (part fold., part col.) 24 cm. "Literature of marble": p.55-60. LCCN: gs 13000070 Subjects--Topical Terms: Marble--Vermont. LC Class. No.: QE75 / .B9 no. 521