08/20/12 Chehalis,WA Study Area Puget Sound LiDAR Consortium Data Collection Date: January 28th, February 2nd-7th, March 4th-9th, March 21st-23rd, and April 7th, 2012 LiDAR point data are delivered in a 1/100th USGS quad delineation. Coordinate System: Washington State Plane South FIPS 4602 Horizontal Datum: NAD83 (1991 HARN) Vertical Datum: NAVD88 (Geoid 03) Units: U.S. Survey feet LiDAR ASCII point files are space delimited with the following field definitions: GPS Time, X, Y, Z, Intensity, Return Number, Number of Returns, Class, Scan Direction, Scan Angle, GPS Week, Flight Line LiDAR point classification: 2 - Ground For full information on methods and accuracy, please see accompanying report (Chehalis_Report). ---------------------------------- Data created by: WSI 517 SW 2nd St, Suite 400 Corvallis, OR 97333 ph: 541.752.1204