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Area Mainstem
Topic Sediment: Road-Related Erosion Sources by Site in Mill Cr 1998-1999

Caption:  The Chart Table sed_road_mill_mcrcdpwa_98_99_sites.db shows the number of sites and future sediment yield from three categories of road-related potential erosion sites in Mill Creek, based on data collected during phase 1 (1998) and phase 2 (1999) road surveys. This Chart Table does not include data on persistent surface erosion, because it is calculated by miles of road, not number of sites. Data were provided by the Mendocino County Resource Conservation District and Pacific Watershed Associates (1999 and 2002). See Info Links for more information. Column headings begin with a prefix indicating the data type, and end with a suffix indicating the time period in which data were collected. A key to column headings: Problem_Type = categories of problem types, Num_Sites_ = the number of sites in a problem category, Num_Sites_Treat_ = the number of sites in a problem category recommended for treatment, Num_Sites_NoTreat_ = the number of sites in a problem category not recommended for treatment, Future_Yield_ = Amount sediment predicted to be delivered to stream (calculated by multiplying total potential erosion by the probability of delivery to a stream), _Ph1 = Phase 1 surveys (1998), _Ph2 = Phase 2 surveys (1999).

 50 rows of a possible 167 have been displayed.
Problem_TypeNum_Sites_Ph1Num_Sites_Treat_Ph1Num_Sites_NoTreat_Ph1Future_Yield_Ph1Num_Sites_Ph2Num_Sites_Treat_Ph2Num_Sites_NoTreat_Ph2Future_Yield_Ph2
Stream crossing7575028255353233112
Landslide871390811013
Other41392102110911579



To learn more about this topic click Info Links .

To view additional information (data source, aquisition date etc.) about this page, click Metadata .
To download the table with the chart's data, click sed_road_mill_mcrcdpwa_98_99_sites.db (size 18,432 bytes) .
To view the table with the chart's source data, click Source Table web page.
To download the table with the chart's source data, click sediment_road_mill_mcrcdpwa_1998.db (size 284,672 bytes)
 
 
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