D. M. Collingwood

Waterflooding in North Government Wells Field, Duval County, Texas

D. M. Collingwood, R. J. Bethancourt, 1953 .

Oil and gas possibilities of parts of Jersey, Greene, and Madison counties

D. M. Collingwood, George E. Ekblaw, L. E. Workman, 1933 .

The Lytton Springs Oil Field, Caldwell County, Texas

D. M. Collingwood, R. Rettger, 1926 .

Magnetics and Geology of Yoast Field, Bastrop County, Texas

D. M. Collingwood, 1930 .