The system plans, construction, integration and test, and performance evaluation are discussed for the photovoltaic power supply at the Newman Power Station in El Paso, Texas. The system consists of 64 parallel-connected panels, each panel containing nine series-connected photovoltaic modules. The system is connected, through power monitoring equipment, to an existing DC bus that supplies uninterruptible power to a computer that controls the power generating equipment. The site is described and possible environmental hazards are assessed. Site preparation and the installation of the photovoltaic panels, electrical cabling, and instrumentation subsystems are described. System testing includes initial system checkout, module performance test, control system test. A training program for operators and maintenance personnel is briefly described, including visual aids. Performance data collection and analysis are described, and actual data are compared with a computer simulation. System drawings are included. (LEW)

Photograph of an aerial view of El Paso, Texas. There are dipping mountains located in the distance and a large letter "A" is visible on the mountainside .

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Photograph of the Carusso Apartment (located at 800 N Prospect) in El Paso, Texas.

Book outlining the history of Douglass High School in El Paso, with photos and biographical sketches of teachers and alumni: "This is a booklet covering some of the events and people of the Black community of El Paso. An attempt to capture from words and old photographs a few of the lasting impressions of some incidents which will always be remembered of Douglass High School" (p. 3).

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24000

Application materials submitted to the Texas Historical Commission requesting a historic marker for the Misión Nuestra Señora de la Purisma Concepción del Socorro, in Socorro, Texas. The materials include the inscription text of the marker, original application, narrative, and photographs.

Application materials submitted to the Texas Historical Commission requesting a historic marker for the Simeon Hart Residence, in El Paso, Texas. The materials include the inscription text of the marker, original application, narrative, floor plans, and photographs.

Application materials submitted to the Texas Historical Commission requesting a historic marker for the Singer Building, in El Paso, Texas. The materials include the inscription text of the marker, original application, narrative, floor plans, and photographs.

Application materials submitted to the Texas Historical Commission requesting a historic marker for the Martin Building, in El Paso, Texas. The materials include the inscription text of the marker, original application, narrative, and photographs.

Application materials submitted to the Texas Historical Commission requesting a historic marker for the Woman's Club of El Paso, in El Paso, Texas. The materials include the inscription text of the marker, original application, narrative, and photographs.