Radiocarbon dating of some events on Mount Hood and Mount St. Helens. - Portland, OR.

von Lawrence, Donald B.
Veröffentlicht in Mazama ; 41. 1959, No. 13, S. 10-18 : 10 Ill.
1959.

Bridge of the Gods legends, its origin, history and dating. - Portland, OR. enth.: Historic landslides of the Gros Ventre Valeey, Wyoming.

von Lawrence, Donald B.
Veröffentlicht in Mazama ; 40. 1958, No. 13, S. 1-9 : 14 Ill. ; S. 10-20 : 10 Ill.
1958.

The submerged forest of the Columbia River Gorge. - o.O.

von Lawrence, Donald B.
Veröffentlicht in The geological review ; 26. 1936, No. 4, S. 581-592 : 8 Ill.
1936.