Dry Devils -- Cataloging Unit 13040303

• Devils Accounting Unit 130403
  
• Rio Grande-Amistad Subregion 1304
  
• Rio Grande Region 13 (There are 70 cataloging units in this region.)
  The state composition by area is 100.0% Texas.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 1886.5 km² ( 728.7 mi² ) [% in USA = 16.44, % in Region = 10.00]
  The area from the USGS is 729 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 160)

  IV. Elevation Analysis

  This analysis is based on 753504 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 612.0 m ( 2007.8 ft ) [% in USA = 61.39, % in Region = 11.43]
  The elevation standard deviation is 67.7 m ( 222.1 ft ) [% in USA = 46.90, % in Region = 10.00]
  The coefficient of variation is 11.1 %.
  The vertical relief is 355.7 m ( 1167.0 ft ) [% in USA = 45.10, % in Region = 12.86]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	375.3	513.6	549.1	579.0	608.9	629.3	640.0	663.9	670.0	694.5	731.0
  feet	1231.3	1685.0	1801.5	1899.6	1997.7	2064.6	2099.7	2178.1	2198.1	2278.5	2398.3

  

  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	0.0	0.0	0.000	0.000	0.99	10.00
  Intermittent Shoreline	2.2	1.4	0.001	0.002	56.18	15.71
  Perennial Streams	0.0	0.0	0.000	0.000	1.99	17.14
  Intermittent Streams	786.8	489.0	0.417	0.671	60.02	50.00
  Canals	0.0	0.0	0.000	0.000	35.62	40.00
  1° roads	0.2	0.1	0.000	0.000	34.20	60.00
  2° roads	104.8	65.1	0.056	0.089	86.88	97.14
  3° roads	25.4	15.8	0.013	0.022	14.50	28.57
  4° roads	1499.4	931.9	0.795	1.279	22.03	41.43
  Total Roads	1629.8	1012.9	0.864	1.390	22.60	45.71
  Railroads	0.0	0.0	0.000	0.000	12.60	27.14
  Pipes and Powerlines	51.7	32.1	0.027	0.044	47.80	77.14

  
  Of the natural water in this HUC, 100.00% (by length) is intermittent [% in USA = 100.00, % in Region = 100.00]

  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