In the vicinity of Hoges Store, Giles County, Virginia, certain portions of the Five Oaks and Elway limestones containing more than 97 per cent calcium carbonate crop out near the event of the Thessalia anticline and John's Creek syncline and underlie an extensive area where dips probably are less than 20 degrees. Locally, part of the Benbolt, Gratton, and Witten are also high-calcium limestone. Sites for core drilling and possible subsequent mining or quarrying are inferred from study of exposed rocks, by chemical analyses of channel samples of selected zones of high-calcium limestones and by detailed geologic mapping. The report includes columnar sections showing the character and thickness of the limestone units. One large deposit of chemical-grade limestones was found about 1.5 miles northeast of Hoges Store, which is believed to underlie a large area wherein dips of the mineable strata are less than 15 degree. The amount of recoverable stone is estimated to be 80 million tons. Suggested locations for core drilling are shown. An anticline, two synclines and an intricate structure are the structural features of the area of study. The major structural features of Giles County are delineated on a sketch map. / Master of Science