Caption says, "5-AL-586. Experimental soil-cement lining. The Ekenstam Canal Paver in the West 11.5 Lateral. Barber-Greene equipment (right) was used to mix soil-cement for lining on this portion of the lateral."

Caption says, "5-AL-587. Experimental soil-cement lining. General view showing water truck, Barber-Greene mixer and canal paver in their relative positions to each other when in operation. Persons shown were Bureau representatives, Portland Cement Association representatives, and the inventor and manufacturer of the Ekenstam equipment, all interested in the initial test of this paver."

Caption says, "5-AL-588. Experimental soil-cement lining. General view of Ekenstam Canal Paver in lateral and Barber-Greene mixer in operation. Persons in photograph are Bureau representatives, Portland Cement Association representatives as well as the inventor and manufacturer of the Ekenstam equipment, all interested in the initial tests of this paver."

Caption says, "5-AL-589. Experimental soil-cement lining. General view showing windrow and pair of Caterpillar tractors being used, experimentally, to draw Ekenstam Paver along canal."

Caption says, "5-AL-590. Experimental soil-cement lining. Three-quarter front view of Ekenstam Canal Paver. Cement sacks were used to weight down forward end of the paver."

Caption says, "5-AL-592. Experimental soil-cement lining. Soil cement travels from mixer section of Barber-Greene at upper left onto endless belt and thence to Ekenstam Canal Paver. Workmen at right distribute the soil cement evenly into hopper of the canal paver."

Caption says, "5-AL-591. Experimental soil-cement lining. Elevated view of soil cement mixer unit of Barber-Greene mixer. Operator at left controls consistency of mix by regulating quantity of water fed into mixture through the three pipes shown in the photograph."

Caption says, "5-AL-593. Experimental soil-cement lining. Workmen distributing the soil cement evenly in hopper of Ekenstam Canal Paver as the mixture drops from endless belt of Barber-Greene mixer."

Caption says, "5-AL-598. Experimental soil-cement lining. Elevated view of the West 11.5 Lateral after being paved with soil-cement with the Ekenstam Canal Paver."

Caption says, "A-1071 Main Canal test section - stabilized earth lining. View showing placing, spreading and finishing of plastic soil-cement on the left slope of the test section."

Caption says, "A-898 View of Altus Dam taken from the left abutment after completion of the initial construction. Pipe handrails have been installed in location where no other protection was apparent. Note stoplogs in Canal trashrack structure in foreground."

Caption says, "A-896 View of South Dike taken from the left abutment after completion of initial construction to Elevation 1546."

Caption says, "A-857 Concrete in spillway portion at Elevation 1490.5. Note river outlet pipes installed in background."

Caption says, "A-858 View of concrete in spillway section at Elevation 1492.5 taken from right abutment. River outlet pipe at Pier 5 in background."

Caption says, "A-860 Concrete placed on left abutment to date on both sides of diversion channel. Concrete on left side at Elevation 1522 and on right side at Elevation 1519."

Caption says, "A-859 Closeup view of river outlet pipe at Pier 2 showing pipe and gate frame in place. Surfaces of concrete in old dam cleaned with air hammer and surfacer tool." Handwritten after caption is, "2nd from left, Harley Cargille, Blair. 1st of left - Odis Cross."

Caption says, "A-846 View of concrete placing operations taken from right abutment. Note portion of right training wall being placed monolithic with the dam."

Caption says, "A-847 General view of concrete placing operations on dam. Fresh concrete is being placed to Elevation 1478."

Caption says, "A-845 General view of construction operations taken from left abutment. Concrete in left foreground is at Elevation 1476."

Caption says, "A-844 Primary excavation for right training wall. Embankment on right side is truck ramp leading off spillway apron." Hand written at the end of caption is, "Foreground: R. A. McCallum."

Caption says, "A-843 View of first mat of reinforcing steel beneath gallery. Note drainage and A-line grout nipples."

Caption says, "A-848 Completed truck ramp on spillway apron for delivery of concrete to crane on dam."

Rock crushing plant in operation for the Altus highway and railroad relocation project. Caption says, "A-784 Crushing and screening plant as seen from the loading bunkers."

Cement mixer with laborer operating it. Caption says, "A-733 Interior of mixing plant showing mixer and hopper layout."