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2012 Puget Sound LiDAR Consortium (PSLC) Topographic LiDAR: Chehalis River Watershed Area, Washington
browse graphic Watershed Sciences, Inc. (WSI) collected Light Detection and Ranging (LiDAR) data for the Chehalis River Watershed study area on January 28th, February 2nd-7th, March 4th-9th, March 21st-23rd, and April 7th, 2012. Acquisition days were not consecutive due to weather. Data was collected for the Puget Sound LiDAR Consortium in partnership with the Federal Emergency Management Agency Region X (FEMA), Washington Department of Natural Resources, and Lewis County. The requested area of 224,713 acres for the Chehalis River Watershed was expanded to include a 100m buffer to ensure complete coverage and adequate point densities around survey area boundaries resulting in a total of 234,556 acres of delivered LiDAR data. The LiDAR survey utilized an Optech Orion-C and a Leica ALS60 sensor in a Cessna Caravan 208B. Please see "Project Report" below for specific information regarding the airborne survey and ground survey. This Lidar survey acheived a nominal point spacing of 10.94 points per square meter.