Reports of the

UNIVERSITY OF CALIFORNIA
ARCHAEOLOGICAL SURVEY

No. 20

PAPERS ON CALIFCRNIA ARCHAEOLOGY: 21-22

Issued March 16, 1953

The University of California Archaeological Survey

Department of Anthropology

University of California
Berkeley 4. California

PAPERS ON CALIFORNIA ARCHAEOLOGY: 21-22

C o nt e nt s

Page

21. Michael J. Harner.
22. Robert F. Heizer.

Gravel Pictographs of the

Lower Colorado River Region. . . . .fa  1
Appendix: Robert F. Heizer,
Additional Surface Intaglio
and Boulder Outline Designs

in the New and Old Worlds. . . . . . . 30

Sacred Rain Rocks of Northern

California  .  .  .  . .  * .   .   .6 .   .   * .   .   33

I 1 1 u s t r a t i o n s

Following page

Map 1. Reported gravel alignments and pictographs

in Southern California and adjoining areas. . . .
Figure 1. Gravel pictographs and alignment groups

from Lower Colorado River region. .   . .g. . . .. ..
Plate 1. Gravel pictographs from site Riv-46 . . . . . . .
Plate 2. Indian rain rocks. .    . . . . . . . . . . . . .. .

29
29
29
36