Antelope-Fremont Valleys -- Cataloging Unit 18090206

• Northern Mojave Accounting Unit 180902
  
• Northern Mojave-Mono Lake Subregion 1809
  
• California Region 18 (There are 135 cataloging units in this region.)
  The state composition by area is 100.0% California.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 8707.0 km² ( 3363.2 mi² ) [% in USA = 96.64, % in Region = 95.56]
  The area from the USGS is 3310 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1175)

  IV. Elevation Analysis

  This analysis is based on 3477039 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 953.3 m ( 3127.6 ft ) [% in USA = 71.39, % in Region = 65.19]
  The elevation standard deviation is 288.9 m ( 947.8 ft ) [% in USA = 81.38, % in Region = 42.96]
  The coefficient of variation is 30.3 %.
  The vertical relief is 2223.1 m ( 7293.5 ft ) [% in USA = 92.47, % in Region = 65.19]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	570.8	706.2	735.9	774.4	811.7	855.8	908.0	983.1	1138.2	1363.8	2793.9
  feet	1872.7	2316.9	2414.3	2540.7	2663.0	2807.7	2979.0	3225.4	3734.2	4474.4	9166.2

  

  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	197.3	122.6	0.023	0.036	21.27	21.48
  Intermittent Shoreline	14.1	8.8	0.002	0.003	60.59	58.52
  Perennial Streams	411.6	255.8	0.047	0.076	16.11	13.33
  Intermittent Streams	4782.2	2972.2	0.549	0.884	75.18	76.30
  Canals	264.6	164.4	0.030	0.049	78.83	69.63
  1° roads	137.1	85.2	0.016	0.025	63.62	60.74
  2° roads	28.5	17.7	0.003	0.005	19.33	79.26
  3° roads	233.3	145.0	0.027	0.043	27.57	31.11
  4° roads	15610.4	9701.9	1.793	2.885	89.20	77.78
  Total Roads	16009.2	9949.8	1.839	2.958	85.50	75.56
  Railroads	383.7	238.4	0.044	0.071	53.15	68.89
  Pipes and Powerlines	189.9	118.0	0.022	0.035	40.60	54.81

  
  Of the natural water in this HUC, 88.73% (by length) is intermittent [% in USA = 87.54, % in Region = 87.41]

  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