Thomas E. Dahl

Status and trends of wetlands in the conterminous United States, 1986 to 1997

T. Dahl, Thomas E. Dahl, 2000 .

Wetlands Losses in the United States 1780's to 1980's

T. Dahl, Thomas E. Dahl, 1990 .

Current approaches to wetland status and trends monitoring in prairie Canada and the continental United States of America

M. Watmough, T. Dahl, Thomas E. Dahl, 2007 .

Wetlands, status and trends in the conterminous United States, mid-1970's to mid-1980's

T. Dahl, Thomas E. Dahl, C. Johnson, 1991 .