Over thirty years experience visiting, photographing, mapping, and recording rock art sites worldwide. Major projects include Sears Point Archaeological District petroglyph panel mapping, photography, documentation forms all linked in GIS for the Yuma, Az District Bureau of Land Management; using iPad to document Watson Petroglyph Site for Idaho Bureau of Reclamation, Glen Canyon Colorado River corridor, Big Bend, and Chaco Canyon Atlatl Cave for the National Park Service, Devils River State Natural Area for Texas Parks and Wildlife, and Guadalupe Mountains Region for Lincoln National Forest. Other projects at Canyon De Chelly National Monument, AZ, Seminole Canyon State Park, TX, Chauvet Cave in France, Aboriginal sites in Australia, Carlsbad Caverns, NM, Star Creek, NV, Cheyenne, WY BLM, Pinon Maneuver Site, CO, Lava Beds National Monument, CA, Hueco Tanks State Park and Historic Site, TX, and Navajo Nation Historic Preservation Department.Specialties: Digital image enhancement, precision mapping, interactive Acrobat files of images linked to map locations, high resolution gigapan panoramic photography, digital photogrammetry, data collection with FileMaker Pro and FileMaker Go database on iPad, data analysis, and scanning of slides, prints, and negatives with image database creation. Aerial photography via drone.