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How Big is an Acre?

The Question: I'm trying to visualize an acre. Is it about the size of a football field? The Answer: Yes. Often an acre of land is compared to…

Thirlmere

(Encyclopedia) Thirlmere, lake, c.3 mi (5 km) long, in the Lake District, Cumbria, NW England, near Keswick. In 1894, through the construction of a high dam (which raised the water level c.50 ft/15 m…

Shelter Island

(Encyclopedia) Shelter Island (1990 pop. 1,193), 7 mi (11.2 km) long and 6 mi (9.7 km) wide, between the two peninsulas of E Long Island, SE N.Y. Settled in the 17th cent. by English colonists, the…

Harlem River

(Encyclopedia) Harlem River, navigable tidal channel, 8 mi (12.9 km) long with Spuyten Duyvil Creek, in New York City, SE N.Y., separating Manhattan from the Bronx. Connecting the Hudson and East…

Johore Strait

(Encyclopedia) Johore Strait, arm of the Singapore Strait, c.40 mi (60 km) long and from 1 to 3 mi (1.6–4.8 km) wide, between Singapore Island and the Malay Peninsula. The eastern part of the strait…

Nottaway

(Encyclopedia) NottawayNottawaynŏtˈəwā [key], river, c.140 mi (230 km) long, issuing from Mattagami Lake, W Que., Canada, and flowing NW into S James Bay. It is noted for sturgeon. The Waswanipi…

Saskatchewan, river, Canada

(Encyclopedia) Saskatchewan, river, c.340 mi (550 km) long, formed by the confluence of the North Saskatchewan (c.760 mi/1,220 km long) and the South Saskatchewan (c.550 mi/890 km long) rivers near…

Winter Solstice for Kids

Dec. 21, 2016, 5:44 A.M. EDT (10:44 UT*)), marks the solstice—the beginning of winter in the Northern Hemisphere and summer in the Southern Hemisphere   Related Links Earth…

Interview: Edward Ball on Slaves in the Family

"It Cuts Both Ways" I'm sure that you've heard about the proof that Thomas Jefferson fathered children by his slave, Sally Hemings... Bebe Moore Campbell, the novelist, said in a commentary…