Glenn's Dam Historic District, Anaconda, MT ID: 4929 | This file appears in: Glenn's Dam Historic District Digital scan of historic photo showing resident Marion Geil rowing across the Glenn's/Hefner's Dam reservoir in the 1960s. | Creator: Unknown photographer | Date: ca. 1960 | Source: Photo courtesy of Marion Geil, Anaconda Download Original File CreatorUnknown photographerSourcePhoto courtesy of Marion Geil, AnacondaDateca. 1960 "Glenn's Dam Historic District, Anaconda, MT" appears in: Glenn's Dam Historic District