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USGS/Cascades Volcano Observatory, Vancouver, Washington

Mount St. Helens, Washington
Cross-Section Network in the Lewis River Basin
1980 to 1984


Basin / Sub-Basin
1980-19821

Number of cross section clusters -
Total number cross sections surveyed annually during low flow
(Number surveyed after storms)
1983-19842

Number of cross section clusters -
Total number cross sections surveyed annually during low flow
(Number surveyed after storms)
Numbering scheme
Muddy River Basin
Muddy River 11 - 32 (1-9) 111 - 28 (4-8) MD010-MD250
West Muddy Channel 1 - 3 (0) 1 - 3 (0) MDW010-MDW030
Smith Creek 3 - 10 (1-3) 3 - 13 (3) SM010-SM100 (80-82)
SM004-SM100 (83-84)
Clearwater Creek 2 - 8 (0) 2 - 6 (0) CL100-CL520
Bean Creek 2 - 4 (0) 1 - 2 (0) BN010-BN100
Clear Creek 0 - 0 (0) 0 - 0 (0) --
(TOTAL) 19 - 57 (2-12) 18 - 52 (7-11) --
Pine Creek Basin
Main Fork Pine 7 - 22 (1-3) 7 - 21 (0-3) PN010-PN200
East Fork Pine 2 - 4 (0-1) 2 - 4 (0-1) PNE030-PNE060
Upper East Pine 1 - 2 (0) 1 - 2 (0) PNU010-PNU020
(TOTAL) 10 - 28 (1-4) 10 - 27 (0-4) --
Swift Creek Basin
Swift Creek 1 - 3 (0) 1 - 3 (0) SW010-SW030
Topinka, USGS/CVO, 1998, Modified from: 1Martinson, Finneran, and Topinka, 1984, USGS Open-File Report 84-614, and 2Martinson, Hammond, Mast, and Mango, 1986, USGS Open-File Report 85-631


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06/10/08, Lyn Topinka