TY  - BOOK
AU  - Dahl,Thomas E.
AU  - Johnson,Craig E.
AU  - Frayer,W.E.
ED  - U.S. Fish and Wildlife Service
TI  - Wetlands, status and trends in the conterminous United States, mid-1970's to mid-1980's: first update of the national wetlands status report 
SN  - 0160359163
PY  - 1991///
CY  - Washington, D.C.
PB  - U.S. Dept. of the Interior, Fish and Wildlife Service, For sale by the U.S. G.P.O., Supt. of Docs.
KW  - Wetlands
KW  - United States
KW  - Wetland conservation
N1  - Includes bibliographical references (p. 16)
ER  -