Mountain Fork -- Cataloging Unit 11140108

• Red-Little Accounting Unit 111401
  
• Red-Sulphur Subregion 1114
  
• Arkansas-White-Red Region 11 (There are 173 cataloging units in this region.)
  The state composition by area is 72.8% Oklahoma, 27.2% Arkansas.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 2154.0 km² ( 832.0 mi² ) [% in USA = 24.21, % in Region = 17.34]
  The area from the USGS is 821 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 522)

  IV. Elevation Analysis

  This analysis is based on 860791 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 307.4 m ( 1008.5 ft ) [% in USA = 39.74, % in Region = 35.26]
  The elevation standard deviation is 107.4 m ( 352.4 ft ) [% in USA = 57.51, % in Region = 76.88]
  The coefficient of variation is 34.9 %.
  The vertical relief is 722.3 m ( 2369.7 ft ) [% in USA = 60.59, % in Region = 85.55]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	98.0	182.1	230.5	248.3	274.0	300.0	304.1	334.0	366.4	456.0	820.3
  feet	321.5	597.4	756.2	814.6	898.9	984.2	997.7	1095.8	1202.1	1496.0	2691.2

  

  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	452.7	281.4	0.210	0.338	82.00	87.28
  Intermittent Shoreline	4.0	2.5	0.002	0.003	62.48	49.71
  Perennial Streams	1280.2	795.6	0.594	0.956	91.19	100.00
  Intermittent Streams	309.2	192.2	0.144	0.231	25.01	4.05
  Canals	0.0	0.0	0.000	0.000	35.62	56.65
  1° roads	0.0	0.0	0.000	0.000	30.84	24.86
  2° roads	80.6	50.1	0.037	0.060	67.69	61.27
  3° roads	116.5	72.4	0.054	0.087	50.12	53.76
  4° roads	2598.7	1615.1	1.206	1.941	54.81	57.23
  Total Roads	2795.8	1737.6	1.298	2.088	51.16	52.60
  Railroads	50.0	31.1	0.023	0.037	32.78	24.28
  Pipes and Powerlines	60.2	37.4	0.028	0.045	48.56	47.40

  
  Of the natural water in this HUC, 15.31% (by length) is intermittent [% in USA = 20.04, % in Region = 1.73]

  VI. Other sites

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

  ---

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