Got CALICHE? http://www.swanet.org/caliche.html
http://www.latimes.com:80/excite/990829/t000077063.html Parsons and state archeologists are reconstructing the ecent history of the Caddo, American Indians who for a millennium occupied a vast stretch of Texas, Louisiana, Arkansas and Oklahoma until 160 years ago, when they were forced onto a reservation. An excavation sponsored by the Texas Historical Commission is underway in east Texas; the project has confirmed the site near Caddo Lake as Sha'chadinnih, the last Caddo village.
http://www.latimes.com:80/excite/990829/t000077147.html Nestled between sage-covered slopes of the eastern Sierra just north of Mono Lake, Bodie is a ghost town now. Yet, despite the past misfortunes, historians have called Bodie one of the nation's best-preserved examples of an Old West mining town.
http://www.wired.com:80/news/news/technology/story/21440.html Archaeologists are hailing the use of synchrotron radiation as the most important breakthrough since radiocarbon dating was introduced in 1949.