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<br />I <br />I <br />I <br />I <br />I <br />I <br />1 <br />I. <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />002u80 <br /> <br />Noxious weed sites were recorded as: <br /> <br />(I) single nodes indicating individual plants or very small patches of weeds <br />(designated NOX I), <br />(2) lines consisting of multiple nodes describing a generally linear arrangement of <br />plants (designated NOX2), or <br />(3) polygons consisting of multiple nodes delineating a two-dimensional <br />distribution of weeds (designated NOX3). <br /> <br />When collecting line data or polygon data, sufficient nodes were collected to provide an <br />accurate depiction of the location, size, and shape of the particular noxious weed site. All <br />data nodes were collected to sub-meter horizontal accuracy, <br /> <br />Data Export and Post-Processing <br /> <br />All data nodes saved in the memory of the GPS unit were downloaded to a computer via <br />the associated software program installed on the PC (GIS Data Pro), These data were <br />post-processed to correct the accuracy of each node collected with the GPS unit. To post- <br />process the data, the most-suitable base station (Platteville) was accessed through the <br />internet. Post-processed data were provided to the GIS analyst in shape-file format for <br />inclusion in GIS layers, All data nodes for the Williams Fork Project noxious weed sites <br />were accurate to less than I meter after post-processing. <br /> <br />Williams Fork Reservoir <br />Hydroelectric Project <br />January 2004 <br /> <br />Steigers Corporation <br />Noxious Weed Survey Repurt <br /> <br />Page 4 <br />