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This shapefile is a point layer of all recorded wetland determination sample plots (SP or data plots) established within the Creswell study area. The data plot shapefile represents established wetland determination sample plots (data plots) in areas that had wetland characteristics based on guidelines outlined in the US Army Corps of Engineers 1987 Manual and the Western Mountains, Valleys and Coast Regional Supplement to the manual. All field data were collected and recorded using Trimble Yuma, Global Positioning System/Geographic Information System (GPS/GIS) data recorders. Aerial imagery and shapefiles of the study area were loaded onto the units for reference in the field. The GPS/GIS units enabled field crews to digitize wetland boundaries in ArcPad; edit existing wetland boundaries as necessary; map probable wetlands, artificial wetlands and locations of sample plots, and map streams. After the field work, data were uploaded onto a desktop computer for viewing and final editing. Data are intended for planning purposes only. |