1. ASRC Research and Technology Solutions; U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center; Sioux Falls SD 57198 USA
2. U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center; Sioux Falls SD 57198 USA
3. Geographic Information Science Center of Excellence; South Dakota State University; Brookings SD 57007 USA