(Documentary Artifact): One b/w photographic print of a man using a shallow metal pan to separate the mercury/gold amalgam from the tailings. Two other men sit nearby.
Notes on verso of print:
OP 14961-1085/ 88:17050-1085/ SAN ANTONIO/ SONORA/ 1920/ Separating, washing out the/ amalgam from the tailings./ Old village of San Antonio/ Aug 6 1920/ SONORA/ B4
