ADAMS, Ansel and Nancy NEWHALL. This is the American Earth.

(San Francisco, CA and New York, NY) : Sierra Club and Ballantine Books, 1968.  Second edition.  Quarto.  111 pages.  Foreword by David Brower.  Volume of 44 photographs of an ecological/ environmental nature by Ansel Adams as well as work by Eliot Porter, Philip Hyde, Edward Weston and Margaret Bourke-White.  A very good copy in wrappers.