Clark, Thomas Henry, 1893- Yamaska-Aston area: Nicolet, Yamaska, Berthier, Richelieu and Drummond Counties, by T. H. Clark. - Quebec, 1964. - iv, 192 p. illus., maps (2 fold., 1 col. in pocket) 25cm. - Quebec (Province) Dept. of Natural Resources. Geological report 102 . Bibliography: p. 189-190. LCCN: gs 65000551 Subjects--Topical Terms: Geology--Québec (Province)--Yamaska-Aston region.Borings--Québec (Province)--Yamaska-Aston region. LC Class. No.: QE193 / .A3 no. 102