PERMFILE120715

• Permit No: C1981008A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: NH1 TAB 17 PROBABLE HYDROLOGIC CONSEQUENCES
• Media Type: D
• Archive: Yes

•
C~
•
Table 17-22
Stream Lengths and Gradients of the West Return Ditch in the
Vicinity of the Nucla Mine for Both Pre- and Postmining Conditions
Stream Length (ft) Gradient (ft/ft)
West Return Ditch Premining Postmining Premining Postmining
SW-N7 to NPDES 001 4,800
SW-N7 to confluence
with Tuttle Draw 6,400
4,280 .0302 .0292
6,000 .0289 .0308
17-74 Revised 04/11/88