Horse -- Cataloging Unit 10180012

• North Platte Subregion 1018
  
• Missouri Region 10 (There are 310 cataloging units in this region.)
  The state composition by area is 93.0% Wyoming, 7.0% Nebraska.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 4433.5 km² ( 1712.5 mi² ) [% in USA = 71.39, % in Region = 64.84]
  The area from the USGS is 1650 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 571)

  IV. Elevation Analysis

  This analysis is based on 1771250 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1637.4 m ( 5372.0 ft ) [% in USA = 86.26, % in Region = 83.23]
  The elevation standard deviation is 285.7 m ( 937.3 ft ) [% in USA = 81.05, % in Region = 84.84]
  The coefficient of variation is 17.4 %.
  The vertical relief is 1418.2 m ( 4652.8 ft ) [% in USA = 75.04, % in Region = 81.61]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	1219.0	1310.5	1370.0	1461.3	1524.9	1605.4	1646.2	1711.7	1829.0	2046.6	2637.2
  feet	3999.3	4299.5	4494.7	4794.2	5002.9	5267.0	5400.9	5615.7	6000.6	6714.5	8652.1

  

  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	107.7	66.9	0.024	0.039	22.60	27.74
  Intermittent Shoreline	25.4	15.8	0.006	0.009	78.59	60.00
  Perennial Streams	697.5	433.5	0.157	0.253	33.25	57.42
  Intermittent Streams	1658.5	1030.7	0.374	0.602	54.67	24.19
  Canals	426.1	264.8	0.096	0.155	92.04	93.87
  1° roads	39.6	24.6	0.009	0.014	53.58	69.35
  2° roads	60.2	37.4	0.014	0.022	32.88	35.48
  3° roads	161.5	100.4	0.036	0.059	36.62	60.32
  4° roads	3884.1	2414.0	0.876	1.410	27.71	47.74
  Total Roads	4145.5	2576.4	0.935	1.504	26.72	48.39
  Railroads	123.6	76.8	0.028	0.045	37.23	52.90
  Pipes and Powerlines	132.2	82.2	0.030	0.048	50.83	68.71

  
  Of the natural water in this HUC, 67.65% (by length) is intermittent [% in USA = 67.69, % in Region = 36.77]

  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