RT Journal Article
SR Electronic
T1 Ecological regions versus hydrologic units: Frameworks for managing water quality
JF Journal of Soil and Water Conservation
FD Soil and Water Conservation Society
SP 334
OP 340
VO 46
IS 5
A1 Omernik, James M.
A1 Griffith, Glenn E.
YR 1991
UL http://www.jswconline.org/content/46/5/334.abstract
AB