Methods used to assess the occurrence and availability of ground water in fractured-crystalline bedrock: an excursion into areas of Lithonia Gneiss in Eastern Metropolitan Atlanta, Georgia Guidebook 23 Georgia. Dept. of Natural Resources. Environmental Protection Division. Georgia Geologic Survey. Williams, Lester J. [Athens, Ga : Digital Library of Georgia] Digital Library of Georgia University of Georgia. Libraries http://dlg.galileo.usg.edu/ggp/id:s-ga-bn200-pg3-bs1-bg8-bno-p23 Place of publication : Georgia. Dept. of Natural Resources. Environmental Protection Division. Georgia Geologic Survey., Atlanta, 2003-10 70 p. 2003-10 This work is the property of the Digital Library of Georgia. It may be used freely by individuals for research, teaching, and personal use as long as this statement of availability is included in the text.