LINKS Aerial Photography and Mapping: American Society for Photogrammetry and Remote Sensing: www.asprs.org Geostationary Satellite Service: www.goes.noaa.gov Management Association for Private Photogrammetric Surveyors: www.mapps.org/ National mapping information at U.S. Geological Survey: www.geography.usgs.gov/ National Geodetic Survey's network of continually operating reference stations: www.ngs.noaa.gov/CORS New Mexico Geographic Information Council: www.nmgic.com Sun angle calculation: www.susdesign.com/sunangle Aviation: Aircraft Owners and Pilots Association: www.aopa.org Federal Aviation Administration: www.faa.gov Belen Alexander Airport: www.belen-nm.gov/departments/alex_mun_airport/alexMunicipalAirport.htm Equipment: Cessna 210 and Cessna 335: www.cessna.com U.S. Geological Survey's Optical Science Laboratory: http://calval.cr.usgs.gov/osl/index.html Leica Geosystems: www.leica-geosystems.us/en/ Vexcel Ultracam: http://www.microsoft.com/ultracam/en-us/UltraCamLp.aspx Track'Air Aerial Survey System: www.trackair.com Frontier Geomatics: www.frontiergeomatics.com NovAtel SPAN System: www.novatel.com Wehrli and Associates, Inc.: www.wehrliassoc.com Western Skyways: www.westernskyways.com Weather: AccuWeather.com: www.accuweather.com Weather.com: www.weather.com Vendors: Aerial Photo Lab, Inc.: www.aerialphotolab.com Agfa: www.agfa.com Clients: USDA Aerial Photography Field Office: www.apfo.usda.gov New Mexico Department of Transportation: http://nmshtd.state.nm.us  Other Agencies and Organizations: Belen, New Mexico: www.belen-nm.gov/ Belen Public Library: www.belen-nm.gov/library.htm International Organization for Standardization: www.iso.org La Mirada Hotel: www.lamiradahotel.com New Mexico Economic Development Department: www.edd.state.nm.us Orion Registrar, Inc.: www.orion4value.com State of New Mexico: www.state.nm.us Professional Surveyor Magazine: http://www.profsurv.com/spring2012.aspx Article in Professional Surveyor Magazine: http://e-ditionsbyfry.com/Olive/ODE/PRS/Default.aspx?href=PRS/2012/03/02