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Section III: Earth & atmospheric sciences.

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A PRELIMINARY DESCRIPTION OF MAMMUTHUS SP. FROM CLARK QUARRY, GLYNN COUNTY, GEORGIA **, David B. Patterson * and Alfred J. Mead, Georgia college & State University, Milledgeville, GA 31061. Although North American mammoths, Mammuthus, have been extensively studied, little is known of the population that once inhabited Georgia. Falconer (1857) designated a partial third upper molar as the type specimen for Mammuthus (Elephas) columbi. He received the tooth from Charles Lyell who obtained it from Hamilton Cooper in 1846. Cooper recovered the tooth along with additional fossil specimens from the Brunswick Canal in 1838-39. The recently excavated fossil material described herein was collected from Clark Quarry, a Pleistocene-aged locality in Glynn County, Georgia. The quarry lies within the Satilla Formation and borders the Brunswick Canal, presenting the possibility that this new material could be considered topotypes for Mammuthus columbi. Radiocarbon analyses of Bison latifrons material collected from the Quarry indicate that these fossils are approximately 12,500 years old. Mammuthus fossils identified thus far include juvenile palate and lower jaw with cheek teeth, adult tooth fragments, complete and partial long-bones, carpals, tarsals, ribs, sternal elements, and cervical, thoracic and caudal vertebrae. In this study, we describe the osteological dimensions of the Mammuthus material collected at Clark Quarry in order to gain a greater understanding of Mammuthus in the Southeastern United States.

HALL COUNTY HISTORIC PHOTO DIGITIZATION AND ORTHO-RECTIFICATION PROJECT **, Michael Adams *, Patrick Taylor * and J.B. Sharma Institute for Environmental Spatial Analysis, Gainesville State College, Gainesville, GA 30503. The Hall County NRCS has a collection of vintage air photos of the county which are used for referencing the land cover and changes over the past several decades. Students at Gainesville State College have been involved in a service project funded by Georgia View Consortium to digitize and ortho-rectify these photos. These sets of photos will then be merged as a mosaic to develop a seamless photo-map of the county for different times in the past. This will preserve a valuable legacy and be available to the citizens of the region on the WWW for many possible applications including real estate development planning, hydrology and historical reconstruction.

WATER QUANTITY AND QUALITY OF WEST GEORGIA STREAMS DURING THE 2007 DROUGHT **, Ellie Busse *,...

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