(Documentary Artifact): One b/w photographic print of two Mexican men cleaning out gold/mercury amalgam left behind in a stone-lined ore mill used to process gold. The center post of the mill lays on the ground on the left.
Notes on verso of print:
OP 14961-1084/ 88:17050-1084/ SAN ANTONIO/ SONORA/ 1920/ Mexicans cleaning out the/ amalgam from the arastra at/ the old village of San Antonio./ Sonora/ Aug 6 1920/ ARASTRA – ORE MILL/ GOLD ORE WAS PROCESSED HERE SO GOLD WAS/ PROCESSED WITH MERCURY TO FORM AMALGUM [amalgam]/ SAN ANTONIO APPROX. 20 MI. SO. SONOITA