Images from the Past: Rock Art : A Self-Guided Tour of Petroglyphs and Pictographs of the American Southwest
At first glance the reader will realize such a book as this is long overdue before all this has disappeared. --The Tombstone Epitaph   July 2001Bicknell's respect for these sites he has explored and photographed, hopes to engender this respect in all visitors. --Cortez, Colorado  Newspaper