perimeter well
21Atlanta metropolitan area — Metro Atlanta redirects here. For the transit agency, see Metropolitan Atlanta Rapid Transit Authority. Metro Atlanta Atlanta Sandy Springs Marietta, Georgia MSA   CSA   …
22Admiralty Islands campaign — Admiralty Islands Part of World War II, Pacific War …
23Atlanta — This article is about the city in the U.S. state of Georgia. For other uses, see Atlanta (disambiguation). Atlanta    …
24Natural scientific research in Canada — This article outlines the history of natural scientific research in Canada, including mathematics, physics, astronomy, space science, geology, oceanography, chemistry, biology, medical research and psychology. The social sciences are not treated… …
25Roundabout — This article is about the road junction. For other uses, see Roundabout (disambiguation). Movement within a roundabout in a country where traffic drives on the right. Note the anticlockwise circulation …
26Dunwoody, Georgia — Dunwoody redirects here. For other uses, see Dunwoody (disambiguation). City of Dunwoody   City   The Dunwoody Farmhouse, historic center …
27Battle of Ia Drang — Infobox Military Conflict conflict=Battle of Ia Drang partof=the Vietnam War caption=1/7 Cavalry at LZ X Ray date=November 14 ndash; November 18, 1965 place=coord|13|35|N|107|43|E|type:landmark|display=title,inline Ia Drang Valley, Vietnam casus …
28Actions along the Matanikau — Infobox Military Conflict conflict=Actions along the Matanikau partof=the Pacific Theater of World War II caption=A U.S. Marine patrol crosses the Matanikau River on Guadalcanal in September 1942 date=September 23–27 and October 7–9, 1942… …
29Ronald Reagan Washington National Airport — Washington National redirects here. For the baseball team, see Washington Nationals. Ronald Reagan Washington National Airport …
30Battle of Khe Sanh — For the song by Cold Chisel, see Khe Sanh (song). Battle of Khe Sanh Part of the Vietnam War …
