Sage -- Cataloging Unit 10050006

• Milk Subregion 1005
  
• 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 2738.6 km² ( 1057.9 mi² ) [% in USA = 40.79, % in Region = 32.26]
  The area from the USGS is 1050 mi².
  

  II. Flow Connections (upstream and downstream units)

  III. Named places in this watershed (total = 215)

  IV. Elevation Analysis

  This analysis is based on 1094259 elevations on a 50 m grid within the area of this HUC.
  The mean elevation is 955.9 m ( 3136.1 ft ) [% in USA = 71.53, % in Region = 58.39]
  The elevation standard deviation is 97.5 m ( 319.9 ft ) [% in USA = 54.90, % in Region = 57.42]
  The coefficient of variation is 10.2 %.
  The vertical relief is 1200.7 m ( 3939.3 ft ) [% in USA = 70.63, % in Region = 76.13]

  Elevation Percentiles

  	0 %	10 %	20 %	30 %	40 %	50 %	60 %	70 %	80 %	90 %	100 %
  meters	745.2	853.0	884.0	908.0	914.0	928.1	963.0	984.2	1031.0	1047.6	1945.9
  feet	2444.9	2798.5	2900.2	2979.0	2998.7	3044.9	3159.4	3229.0	3382.5	3437.0	6384.1

  

  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	61.8	38.4	0.023	0.036	21.17	24.52
  Intermittent Shoreline	58.1	36.1	0.021	0.034	92.42	84.84
  Perennial Streams	55.4	34.5	0.020	0.033	9.62	10.32
  Intermittent Streams	1243.2	772.6	0.454	0.730	63.86	34.84
  Canals	6.3	3.9	0.002	0.004	51.82	54.52
  1° roads	0.0	0.0	0.000	0.000	30.84	48.39
  2° roads	45.3	28.2	0.017	0.027	37.28	42.58
  3° roads	0.0	0.0	0.000	0.000	4.07	6.77
  4° roads	2643.6	1643.0	0.965	1.553	33.82	58.71
  Total Roads	2689.0	1671.2	0.982	1.580	29.42	52.58
  Railroads	52.4	32.6	0.019	0.031	29.04	39.35
  Pipes and Powerlines	2.3	1.4	0.001	0.001	10.66	16.77

  
  Of the natural water in this HUC, 91.73% (by length) is intermittent [% in USA = 90.10, % in Region = 90.32]

  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