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pickerelweed

(Encyclopedia) pickerelweed, common name for the Pontederiaceae, a family of chiefly tropical perennial aquatic herbs found in freshwater. The pickerelweeds (genus Pontederia) range north into…

American Fur Company

(Encyclopedia) American Fur Company, chartered by John Jacob Astor (1763–1848) in 1808 to compete with the great fur-trading companies in Canada—the North West Company and the Hudson's Bay Company.…

beach grass

(Encyclopedia) beach grass or marram grassmarram grassmârˈəm [key], any species of the genus Ammophila, perennial grasses used to control the shifting of sand dunes, thereby protecting sandy coastal…

Brown, Paul Eugene

(Encyclopedia) Brown, Paul Eugene, 1908–91, American football coach, b. Norwalk, Ohio, B.A., Miami Univ., 1925, M.A., Ohio State Univ., 1930. After coaching high school teams, he coached Ohio State (…

Calumet Harbor

(Encyclopedia) Calumet Harbor, artificial harbor on Lake Michigan, at the mouth of the Calumet River, NE Ill., in S Chicago. The harbor, dredged to 27 ft (8 m), is formed behind a breakwater…

Charlevoix, Pierre François Xavier de

(Encyclopedia) Charlevoix, Pierre François Xavier deCharlevoix, Pierre François Xavier depyĕr fräNswäˈ zävyāˈ də shärləvwäˈ [key], 1682–1761, French Jesuit traveler and historian. He taught at the…

icebreaker

(Encyclopedia) icebreaker, ship of special hull design and wide beam, with relatively flat bottom, designed to force its way through ice. When the icebreaker charges into the ice at full speed, its…

bowfin

(Encyclopedia) bowfin, primitive freshwater fish found in the Mississippi basin, the Great Lakes, and E to Vermont. The bowfin has a light covering of rounded, overlapping scales, a large mouth, and…

Whipple, Amiel Weeks

(Encyclopedia) Whipple, Amiel Weeks, 1818–63, American soldier and topographical engineer, b. Greenwich, Mass. He became (1841) a topographical engineer in the U.S. army and engaged in surveying the…