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1984-06
Program of Lake Okeechobee investigations 18 leaves : maps ; 28 cm.; Cover title.; "June, 1973."
1973
1984-03
Lake Okeechobee water quality studies and eutrophication assessment TECHNICAL PUBLICATION 81-2; May, 1981; DRE-128
1981-05
Yellowstone photo album 11, page 81 Yellowstone National Park
Yellowstone photo album 5A, page 5 Yellowstone National Park
Lake Marion, Congaree National Forest Congaree National Park Lake Marion
Lake Marion, Congaree National Park Congaree National Park Lake Marion
Yellowstone photo album 5A, page 8 Yellowstone National Park
Yellowstone photo album 5A, page 96 Yellowstone National Park
Water quality management strategy for Lake Okeechobee DRE 146; EXECUTIVE SUMMARY; REVISED MARCH 1983; APPROVED BY GOVERNING BOARD MARCH 11, 1983
1983-03
Yellowstone photo album 25, page 34 Yellowstone National Park
Yellowstone photo album 20, page 60 Yellowstone National Park
Yellowstone photo album 11, page 82 Yellowstone National Park
Yellowstone photo album 20, page 63 Yellowstone National Park
Yellowstone photo album 11, page 93 Yellowstone National Park
Yellowstone photo album 11, page 91 Yellowstone National Park
Yellowstone photo album 20, page 59 Yellowstone National Park
Yellowstone photo album 11, page 89 Yellowstone National Park
Yellowstone photo album 11, page 92 Yellowstone National Park
Yellowstone photo album 23, page 15 Yellowstone National Park
Yellowstone photo album 7, page 124 Yellowstone National Park
Yellowstone photo album 10, page 18 Yellowstone National Park
Yellowstone photo album 6, page 45 Yellowstone National Park
Yellowstone photo album 11, page 88 Yellowstone National Park
Yellowstone photo album 18, page 66 Yellowstone National Park
Yellowstone photo album 27, page 7 Yellowstone National Park
Yellowstone photo album 11, page 85 Yellowstone National Park
Trophic status and assessment of non-point nutrient enrichment of Lake Crescent, Olympic National Park National Park Service Water Resources Division; National Park Service
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1991-12
Yellowstone photo album 11, page 90 Yellowstone National Park
Yellowstone photo album 20, page 62 Yellowstone National Park
Lake Meredith National Recreation Area Personal Watercraft use Environmental Assessment National Park Service Water Resources Division; National Park Service
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2003-02
Yellowstone photo album 30, page 20 Yellowstone National Park
Yellowstone photo album 6A, page 84 Yellowstone National Park
Yellowstone photo album 11, page 15 Yellowstone National Park
Ecological effects of the Lawn Lake Flood of 1982, Rocky Mountain National Park National Park Service Water Resources Division; National Park Service
Yellowstone photo album 6B, page 9 Yellowstone National Park