The spatial mapping system of the USGS was used to transfer pen & ink maps of the NiMiiPuu routes through the Yellowstone Plateau first published 1997 and updated with a final revision in 2002. This beautiful color map has a finished map dimension of 32 x 22 1/4 inches. Eighty (80) # Book Gloss paper is used for a beautiful map suitable for framing. Additional color maps are avilable and include "NiMiiPuu Traverse Yellowstone Plateau" which is a large 44 x 33 inch map, and "NiMiiPuu Triumph at Clarks Fork Canyon", with the same demensions (32 x 22 1/4 inches).