Hydraulic Mine near Deadwood, Black Hills — Pollock & Boyden

A wooden sluice leads into a deep, rocky excavation, where bright streams of water stand out against the exposed bank. Loose stone, felled timber, and numerous stumps cover the surrounding ground; standing trees line the hillside beyond. The two side-by-side photographs are mounted on a green card with rounded corners.

A faint pencil caption on the reverse reads “Hydraulic Mine,” consistent with the water jets and sluice visible in the photographs. The composition records both the workings and the cleared ground around them. No particular mine or operator is named.

The front carries the series heading “VIEWS OF THE BLACK HILLS.” and the credit “PUBLISHED BY POLLOCK & BOYDEN.” The reverse repeats the firm’s name above “Portrait and View Artists,” with an address at the corner of Lee and Sherman Streets, Deadwood, Dakota Territory. These imprints establish the publisher and regional series; the Deadwood address does not establish the mine’s location. No view number, date, or individual photographer is identified.

There is a small chip at the upper left edge of the left photograph, confined to the sky, and localized brown drip staining on the reverse. Otherwise sound, with good detail in both views.