center for watershed protection
51United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
52Patuxent River — Coordinates: 38°19′08″N 76°24′18″W / 38.31889°N 76.405°W / 38.31889; 76.405 …
53Marcellus Formation — Stratigraphic range: Middle Devonian …
54Neretva — River Picture taken from train between Jablanica and Mostar (Neretva valley) …
55Napa River — Coordinates: 38°4′12″N 122°14′38″W / 38.07°N 122.24389°W / 38.07; 122.24389 …
56Water resources — A natural wetland Water resources are sources of water that are useful or potentially useful. Uses of water include agricultural, industrial …
57Water in California — Map of water storage and delivery facilities as well as major rivers and cities in the state of California California’s interconnected water system serves over 30 million people and irrigates over 5,680,000 acres (2,300,000 ha) of farmland. As… …
58Water Resources Development Act of 2000 — The Water Resources Development Act of 2000 (WRDA 2000), USPL|106|541, was enacted by Congress of the United States on December 11, 2000. [ [http://thomas.loc.gov/cgi bin/toGPObss/http://frwebgate.access.gpo.gov/cgi bin/getdoc.cgi?dbname=106 cong …
59Cibolo Creek — Coordinates: 28°57′11″N 97°52′24″W / 28.95306°N 97.87333°W / 28.95306; 97.87333 …
60environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …
