The Plankton Ecology of the Upper Mississippi, Minneapolis to Winona

The Microscopy of Drinking Water

Georǵe C. Whipple, Gordon M. Fair, Melville C. Whipple et al. · American Water Works Association · 1928 · 144 citations

Natural Resources, Microbiology, Water Conservation +4

Phytoplankton of the Inland Lakes of Wisconsin

Gilbert M. Smith · Nature · 1921 · 110 citations · Full text

Life Sciences, Ecology, Freshwater Ecology +8

Animal Communities in Temperate America as Illustrated in the Chicago Region

Richard Worthy Sharpe, V. E. Shelford · Bulletin of the American Geographical Society · 1914 · 55 citations

Life Sciences, Geography, Urban Studies +5

THE PERIODICITY OF FRESHWATER ALGAE

Edgar Nelson Transeau · American Journal of Botany · 1916 · 47 citations · Full text

Life Sciences, Biology, Ecology +12

The Small Bottom and Shore Fauna of the Middle and Lower Illinois River and its Connecting Lakes, Chillicothe to Grafton: its Valuation; its Sources of Food Supply; and its Relation to the Fishery

Robert E. Richardson · Illinois Natural History Survey bulletin/Bulletin - Illinois Natural History Survey · 1921 · 42 citations · Full text

Natural Resources, Fisheries, Zoology +10