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I I I I I I I I I I I I I I I I I I I 9. DIRTY WOMAN/CRYSTAL CREEK 9.1. Watershed Description Dirty Woman Creek is located due east of the town of Monument. Colorado, As shown in Figure 9.1. the majority of the 5,O-square mile watershed lies east of 1-25, Row in the stream is in a southwesterly directly; it accumulates in several small tributaries before consolidating Into a single channel just prior to crossing under 1-25, The highest elevation for the watershed Is just over 7.500 feet, The low point at the western outfall is 6.800 feet. Slopes within the basin range from just over 8 percent at the higher elevations to 3 to 4 percent in the flattest areas, The Crystal Creek watershed is located northeast of the town on Monument. adjacent to Dirty Woman Creek, More than 85 percent of the basin is east of 1-25 as shown in Figure 9,1, The creek generally flows south to 1-25 where it makes a bend and then continues in a more westerly direction. Total area of the basin is 0,78 square mile, Average slopes are from 4 to 5 percent with steeper slopes up to 15 percent occurring on the western hillslopes, The highest point in the northeastern corner is 7.500 feet. The lowest elevation just west of the Denver and Rio Grande Railroad (D&RG) is at 6,960 feet. Total length of the creek from its headwaters to this point is approximately 2,5 miles, Development in this watershed is primarily residential, Individual lots are large. ranging from 1 to 5 acres over much of the basin, There is a substantial amount of open space throughout. part of which is attributed to the Wood moor Golf Course, Soils throughout the basins of the loamy and category and tend to be highly permeable, They are hydrologically classified as type "B" soils. 9,1 Resource Consultants & Engineers. Inc,