It is strongly recommended that these data be acquired directly from a U.S. Fish and Wildlife Service server and not through other sources which may have changed the data in some way. Although these data have been processed successfully on a computer system at Walnut Creek National Wildlife Refuge, no warranty expressed or implied is made regarding the utility of the data on another system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data. Digitizing and data manipulation was executed with Eppl-7 version 2.1 software. Consistent to all points and lines within the universe clipping boundary.
Classification is complete to all points lines and polygons within the universe.
Field checking conducted by WRT for Refuge master plan. Field checking conducted by WRT for WNT master plan. Stream network for Polk, Jasper, Marion and Warren counties in central Iowa. Explain origin of call and request contact with employee familiar with WNT project. Field checking conducted by WRT for WNT master plan.