Compiled and Edited by Earle E. Spamer, the bibliography
lists more than 25,000 items produced between
1540 and the present. It includes books, periodicals,
serials, maps, audio-visual works, and electronic
media in 34 subject areas. Coverage includes the
Grand Canyon of Arizona and the lower Colorado
River corridor between Glen Canyon Dam, Arizona,
and the Colorado River delta in Mexico. Greatly
expanded and revised from earlier editions published
by Grand Canyon Natural History Association.
Internet Edition Contributors Richard D. Quartaroli
and Daniel F. Cassidy.

|