Middle Fork Feather -- Cataloging Unit 18020123

• Lower Sacramento Accounting Unit 180201
  
• Upper Sacramento Subregion 1802
  
• 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 3463.8 km² ( 1338.0 mi² ) [% in USA = 55.38, % in Region = 73.33]
  The area from the USGS is 1350 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 1298)

  IV. Elevation Analysis

  This analysis is based on 1382719 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1561.1 m ( 5121.7 ft ) [% in USA = 84.70, % in Region = 85.93]
  The elevation standard deviation is 393.6 m ( 1291.3 ft ) [% in USA = 90.95, % in Region = 60.74]
  The coefficient of variation is 25.2 %.
  The vertical relief is 2437.9 m ( 7998.3 ft ) [% in USA = 95.03, % in Region = 74.81]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	183.0	1036.1	1341.0	1512.9	1523.0	1584.0	1670.7	1767.0	1874.7	2010.3	2620.9
  feet	600.4	3399.2	4399.6	4963.5	4996.7	5196.8	5481.2	5797.2	6150.5	6595.4	8598.6

  

  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	279.4	173.6	0.081	0.130	48.84	52.59
  Intermittent Shoreline	2.3	1.4	0.001	0.001	48.22	47.41
  Perennial Streams	1588.1	987.0	0.458	0.738	77.59	74.81
  Intermittent Streams	1275.7	792.8	0.368	0.593	53.58	57.04
  Canals	77.7	48.3	0.022	0.036	74.94	62.22
  1° roads	0.0	0.0	0.000	0.000	30.84	40.00
  2° roads	0.0	0.0	0.000	0.000	15.35	73.33
  3° roads	177.8	110.5	0.051	0.083	47.70	53.33
  4° roads	4239.2	2634.7	1.224	1.969	56.09	50.37
  Total Roads	4417.0	2745.2	1.275	2.052	49.31	49.63
  Railroads	136.2	84.6	0.039	0.063	48.46	64.44
  Pipes and Powerlines	30.5	19.0	0.009	0.014	22.69	33.33

  
  Of the natural water in this HUC, 40.63% (by length) is intermittent [% in USA = 43.53, % in Region = 48.15]

  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