Burnt -- Cataloging Unit 17050202

• Middle Snake-Powder Accounting Unit 170502
  
• Middle Snake Subregion 1705
  
• Pacific Northwest Region 17 (There are 219 cataloging units in this region.)
  The state composition by area is 100.0% Oregon.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2860.1 km² ( 1104.8 mi² ) [% in USA = 43.72, % in Region = 51.60]
  The area from the USGS is 1090 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1312)

  IV. Elevation Analysis

  This analysis is based on 1141724 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1365.9 m ( 4481.2 ft ) [% in USA = 80.10, % in Region = 63.47]
  The elevation standard deviation is 255.1 m ( 836.9 ft ) [% in USA = 78.02, % in Region = 34.70]
  The coefficient of variation is 18.7 %.
  The vertical relief is 1745.4 m ( 5726.3 ft ) [% in USA = 82.09, % in Region = 50.68]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	631.6	1042.0	1158.8	1227.4	1294.5	1350.9	1412.3	1494.1	1584.3	1695.9	2377.0
  feet	2072.2	3418.6	3801.8	4026.9	4247.0	4432.0	4633.5	4901.8	5197.8	5563.9	7798.5

  

  V. Map Line Analysis

  Note- percentiles are for the feature density, not for the raw total lengths.
  

  line type	km	mi	km/km²	mi/mi²	% in USA	% in Region
  Perennial Shoreline	38.2	23.7	0.013	0.021	15.35	18.26
  Intermittent Shoreline	1.2	0.8	0.000	0.001	42.82	57.08
  Perennial Streams	1296.4	805.7	0.453	0.729	77.12	52.97
  Intermittent Streams	1512.7	940.1	0.529	0.851	72.71	83.56
  Canals	104.9	65.2	0.037	0.059	81.19	79.91
  1° roads	62.1	38.6	0.022	0.035	71.67	87.21
  2° roads	49.3	30.6	0.017	0.028	38.32	58.45
  3° roads	67.8	42.2	0.024	0.038	25.01	50.23
  4° roads	3131.5	1946.2	1.095	1.762	44.58	60.27
  Total Roads	3310.7	2057.6	1.158	1.862	39.93	60.27
  Railroads	72.1	44.8	0.025	0.041	34.30	54.34
  Pipes and Powerlines	55.5	34.5	0.019	0.031	37.85	48.40

  
  Of the natural water in this HUC, 53.15% (by length) is intermittent [% in USA = 53.72, % in Region = 68.49]

  VI. Other sites

  • EPA- Surf Your Watershed - Index of Watershed Indicators
  • USGS- Science in Your Watershed - Selected Realtime Streamflow Stations
  • CTIC- Known Your Watershed

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  1999 SEPT 4, Last updated on 2003 JAN 23
  
  D.L. Gustafson, dlg@rapid.msu.montana.edu