ECOLOGY AND DISTRIBUTION OF MAJOR DIATOM ECOTYPES IN THE SOUTHERN FORT UNION COAL REGION OF MONTAN
BAHLS, L.L.
ECOLOGY AND DISTRIBUTION OF MAJOR DIATOM ECOTYPES IN THE SOUTHERN FORT UNION COAL REGION OF MONTAN - WASHINGTON: USDI., 1984 - 151P; ILLUST - U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1289 .
ENG
WATER QUALITY BIOASSAY-MONTANA-FORT UNION.
DIATOMS-MONTANA-FORT UNION COAL REGION.
PLANT INDICATORS-MONTANA.
ECOLOGY AND DISTRIBUTION OF MAJOR DIATOM ECOTYPES IN THE SOUTHERN FORT UNION COAL REGION OF MONTAN - WASHINGTON: USDI., 1984 - 151P; ILLUST - U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1289 .
ENG
WATER QUALITY BIOASSAY-MONTANA-FORT UNION.
DIATOMS-MONTANA-FORT UNION COAL REGION.
PLANT INDICATORS-MONTANA.