This book is a rare testimony to the geological diversity and natural hidden beauty of the Picture Jaspers mined in the Owyhee area in Oregon. The content features over 200 Jaspers from 70 different sites, including some of the rarest specimens of the Owyhee Picture Jaspers.

With introduction by Professor Dr. Lauritz A. Jensen at Midwestern University in Arizona, the book provides valuable information as well as it gives witness to the diverse and beautiful quality of Jaspers.

© Hans Gamma, 2011