Rock blasting being done for rock quarry. Caption says, "A-33 Altus Project. First telephoto shot of large blast of the rock quarry. Three thousand one hundred and fifty pounds of .80 per cent gelatin powder was used to lift the large section of granite from the south side of the mountain. Thirty lateral holes drilled with the wagon drilling with the wagon drilling outfit at a depth of 40 feet and ten vertical holes drilled with jack hammers at a depth of 10 feet average were used to take the gelatin powder. Photo was taken from across the valley."

Caption says, "A-35 Altus Project. W. P. A. laborer plug drilling a large granite rock which will be broken into smaller sections to be faced for use in the construction of the Lugert Dam. A large rock in the back ground has been drilled previously."

WPA laborers working in background after blasting. Caption says, "A-34 Altus Project. Photograph of rock quarry from Photo Station No. 3 at west end of quarry showing rock after the blast. W. P. A. men are dumping small rocks over the fill to be used as rip rapping material. Larger rocks will be cut into blocks used in the Lugert Dam."