Jerry Brown is a Cartographer that lives in Durango, Colorado. He has worked on mapping projects throughout the world that utilize unusual uses for GPS technologies. Jerry was the cartographer on the successful expedition to determine the elevation of Anchouma in the Bolivian Andes, establishing the elevation at 21,079'. He has worked on projects in the Indian Himalayas, the Italian Alps, the deserts of Turkmenestan, and the Arctic regions of Russia. He has produced map sets for the Colorado Trail, The Tahoe Rim Trail, and the Lost Silver Trail of Mexico. Most recently he spent three years as head of a field crew that mapped the Continental Divide National Scenic Trail for 3008 miles from end to end.