Caption says, "A-403 Rock quarry. Portable derrick moving face stone in stoneyard below quarry."

Caption says, "A-516 Haul road on Santa Fe Railroad relocation, taken from rock point, 200' north of Station 66-50."

Caption says, "A-518 Laying pipe for wagon drills after blast in rock cut on Santa Fe Railroad relocation, vicinity of Station 62."

Caption says, "A-911 General view of masonry placing activities on right abutment. Note derrick mounted on truck placing stone in background."

Caption says, "5-AL-468. Specifications No. 1133. Excavation through shale formation in the Altus Canal. View looking downstream from Station 452+00."

Caption says, "5-AL-469 Rolling right slope of the Altus Canal near Station 339+00. This is the first step in a program to prevent seepage."

Caption says, "5-AL-470. Rolling right slope of the Altus Canal near Station 339+00. This is the first step in a program to prevent seepage."

Caption says, "A-967 Construction of canal outletworks at Altus Dam. Outlet pipes and high pressure gates are embedded in concrete to El. 1522."

Caption says, "A-972 View of partially completed compacted-earth lining in Main Canal, looking upstream from Station 183+50."

Caption says, "A-973 Dry-rock paving in place at downstream end of culvert, Station 144+78 of Main Canal."

Caption says, "5-AL-185. View showing placement of outside steel forms over fabricated steel cages at the Lock Joint Pipe Plant in Altus, Oklahoma."

Caption says, "5-AL-29. General view showing the Rock Island relocation across the Red River located east of Granite, Oklahoma."

Caption says, "A-1082 Specifications No. 1084. Completed Rock Island Railway embankment with riprap and sand ballast in place. Track laying in progress near bridge."

Caption says, "5-AL-186 View showing placement of outside steel forms over fabricated steel cages a the Lock Joint Pipe Plant in Altus, Oklahoma."

Caption says, "A-955 Unloading ties and track materials for C.R.I. F. Ry. shoofly track. This shoofly will be used for railroad traffic during the raising of the main line track and bridge. Completion of the random fill and shoofly grade may be seen in the background."

Caption says, "5-AL-865. Soil and Moisture Conservation, Altus Reservoir Area. View taken looking away from reservoir toward private farm land beyond fence, showing need for erosion control on both government and private land. Boundary fence was constructed in 1943 on solid ground. Erosion has taken place since then."

Caption says, "5-AL-868. Soil and Moisture Conservation, Altus Reservoir Area. View of an erosion and sediment producing area caused by surface runoff from adjacent farm lands. Sediment from this wash has entered Altus Reservoir, forming a deposit. Fence was constructed on boundary between Government and private land in 1946, and erosion has occurred since that date. Taken a short distance north of Rock Island railway on east side of reservoir."

Caption says, "A-968 View showing progress on construction of siphon barrel across North Fork of Red River looking downstream from Sta. 103. Specification No. 1078, Morrison-Knudsen Co., Inc., contractor."

Caption says, "5-AL-866. Soil and Moisture Conservation, Altus Reservoir Area. View showing measures taken by farmer to temporarily control erosion at the head of a wash leading to Altus Reservoir. Government property is beyond fence in background, and reservoir can be seen in distance."

Caption says, "A-969 Placing reinforcement steel for a section of siphon barrel. Specifications No. 1078."

Caption says, "5-AL-867. Soil and Moisture Conservation, Altus Reservoir Area. View taken from private land looking onto Government property beyond fence adjacent to Altus Reservoir, showing heavily eroded area. This erosion has occurred over a long period of years, and still continues."

Caption says, "5-AL-869. Soil and Moisture Conservation, Altus Reservoir Area. View of east shoreline of reservoir just north of Rock Island railway with water at El. 1543.6, 15.4 feet below normal spillway elevation. Ramp entering water in foreground is former construction road. Beyond is sediment deposit formed in water from erosion area shown in photograph No. 5-AL-868."

Caption says, "A-1078 Specifications No. 1078, North Fork of Red River crossing. In the foreground is the transition from inlet bench flume to siphon barrel. Beyond is the control house for the siphon blowoff. Part of the outlet bench flume can be seen in the rock cut across the river."

Caption says, "A-1077 Specifications No. 1078, North Fork of Red River crossing. In the foreground is part of the outlet bench flume and the outlet end of the siphon barrel. Across the river is the inlet bench flume which will bring water from the earth canal to the siphon."