Table of Contents September 1999 Volume 8, Number 7 GPS Offers Solutions Higher quality photos and images boost demand for accurate ground control By W. Brant Howard Custom DEMs Provide Value for Appalachian Mountain Club Detailed trail maps are an important companion piece to wilderness guidebooks By Douglas E. Lierle TVA Relies on Advanced Software to Keep Pace with CAD Demands By Kevin Corbley An Industry and Government Collaboration Utah abandoned mine lands and watersheds multi-spectral imaging and analysis project By Frederick B. Henderson, III, Ph.D., and Katherine Lanchance GIS and Satellite Imagery Track Encephalitis Infection By Kevin P. Corbley Technotes GPS Q&A
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