Geology of South Patten River area, District of Cochrane by S. B. LumbersS. B. Lumbers · First published 1963Open the Tome
Precambrian geology, Gravenhurst area / by S.B. Lumbers, V.M. Vertolli and W.M. SchwerdtnerS.B LumbersOpen the Tome
Precambrian geology, Penetanguishene area / by S.B. Lumbers, V.M. Vertolli and W.M. SchwerdtnerS.B LumbersOpen the Tome