(Documentary Artifact): One b/w photographic print of Roberto Thomson standing next to his riding mule. Guillermo Mexia is on the left. According to notes from the Davis Negative Log Book, Thomson was Davis’ friend and led Davis on many Mexican trips.
Notes on verso of print:
OP 14961-173/ 88:17050-173/ 12/ B/12-2/ San Ignacio, Baja Calif. Sud on/ way to Santa Rosalia/ Mar. 27, 1926/ Roberto Thomson + his mule
