Assistance from the following individuals is gratefully acknowledged: Pablo Campos Palacín (Madrid, Spain); William M. Denevan (Gualala, California); Peter G. Lewis (American Geographical Society, New York); Betty R. Parsons (Boise, Idaho); Sally Parsons Stewart (Boise, Idaho); and Natalia Vonnegut (Berkeley, California) I also thank the United States–Spanish Joint Committee for Cultural and Educational Cooperation for a postdoctoral research grant awarded for the year 1988–1989.
Notes
Assistance from the following individuals is gratefully acknowledged: Pablo Campos Palacín (Madrid, Spain); William M. Denevan (Gualala, California); Peter G. Lewis (American Geographical Society, New York); Betty R. Parsons (Boise, Idaho); Sally Parsons Stewart (Boise, Idaho); and Natalia Vonnegut (Berkeley, California) I also thank the United States–Spanish Joint Committee for Cultural and Educational Cooperation for a postdoctoral research grant awarded for the year 1988–1989.