Monitoring the condition of our nation's ecological resources
Contributors: United States. Agricultural Research Service
Publisher: Agricultural Research Service
Published: 1990
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Administrative agencies -- United States; Environmental monitoring -- United States; Conservation of natural resources -- United States
Notes: Shipping list no.: 90-715-P

"July 1990"--P. [4]

"EPA/600/M-90/011"--P. [4]