(Documentary Artifact): One b/w photographic print of mules drinking at San Pablo Creek after a dry camp and 1 1/2 days without water. Two men stand nearby. Roberto Thomson is possibly the man on the right.
Notes on verso of print:
OP 14961-152/ 88:17050-152/ 9/B/9-9/ SAN PABLO/ MULES DRINKING AT SAN/ PABLO CREEK AFTER A/ DRY CAMP & 1 1/2 DAYS WITHOUT WATER/ 3/22/26