Upper Missouri -- Cataloging Unit 10030101

• Upper Missouri Accounting Unit 100301
  
• Missouri-Marias Subregion 1003
  
• Missouri Region 10 (There are 310 cataloging units in this region.)
  The state composition by area is 100.0% Montana.
  

  I. Graphical Locater Maps

  Roads

  Water Only

  8 Digit HUCs

  The area of this HUC in these maps is 8661.5 km² ( 3345.6 mi² ) [% in USA = 96.49, % in Region = 92.26]
  The area from the USGS is 3370 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 2465)

  IV. Elevation Analysis

  This analysis is based on 3459194 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 1579.9 m ( 5183.3 ft ) [% in USA = 85.08, % in Region = 81.94]
  The elevation standard deviation is 303.5 m ( 995.7 ft ) [% in USA = 83.23, % in Region = 87.42]
  The coefficient of variation is 19.2 %.
  The vertical relief is 1797.5 m ( 5897.2 ft ) [% in USA = 83.14, % in Region = 85.48]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	1072.9	1216.0	1280.6	1362.6	1461.2	1543.7	1646.0	1739.3	1834.5	1987.3	2870.4
  feet	3520.0	3989.5	4201.4	4470.4	4793.9	5064.6	5400.2	5706.3	6018.6	6519.9	9417.2

  

  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	600.8	373.4	0.069	0.112	44.29	60.97
  Intermittent Shoreline	10.9	6.8	0.001	0.002	57.13	28.71
  Perennial Streams	2762.2	1716.7	0.319	0.513	59.88	88.71
  Intermittent Streams	4988.7	3100.5	0.576	0.927	77.50	53.55
  Canals	506.9	315.0	0.059	0.094	86.83	88.71
  1° roads	102.7	63.8	0.012	0.019	57.51	72.90
  2° roads	179.8	111.8	0.021	0.033	43.30	52.26
  3° roads	42.9	26.7	0.005	0.008	6.63	10.97
  4° roads	6754.6	4198.0	0.780	1.255	20.99	33.55
  Total Roads	7079.9	4400.2	0.817	1.315	20.09	33.23
  Railroads	344.9	214.3	0.040	0.064	49.31	68.71
  Pipes and Powerlines	461.5	286.8	0.053	0.086	73.33	89.68

  
  Of the natural water in this HUC, 59.79% (by length) is intermittent [% in USA = 60.30, % in Region = 27.42]

  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