Item — Max Shaffer collectionWork crew of 13 men, unidentified location, with storage tanks in background. E.D. Pryer is at the far left.
Item — Max Shaffer collectionWork crew of 24 men, unidentified location. E.D. Pryer is in the center.
Item — Max Shaffer collectionSmall group of workers holding tools, unidentified location. E.D. Pryer is at the far right.
Item — Max Shaffer collectionLarge group of workers posed in front of tank under construction, unidentified location. E.D. Pryer is in the foreground at the far right, wearing a white shirt and tie.
Item — Max Shaffer collectionRailbed construction for oil industry, Michigan Central Railroad.
Item — Max Shaffer collectionOil well with tank in background, location unknown.
Item — Max Shaffer collectionWorkers laying a pipeline, location unknown.
Item — Max Shaffer collectionOil tank under construction, with 25 men on scaffolding, unidentified location.