Area	South Fork Big River
Topic	Sediment: Matthews Road Construction by SF Basin 1921-2000

 

Caption:  The chart above shows the miles of road construction by period in the South Fork Big River basin. Road construction continues to be active in the Middle and Lower South Fork sub-basins. Matthews and Associates (2001) state: "Analysis indicates that sediment production from roads has increased significantly over the study period, tracking cumulative road construction." Mileage estimates were generated largely from CDF data and aerial photography analysis Matthews and Associates (2001). The time periods shown above are the years of the aerial photos used and cover the period back to the previous photo year. See Info Links for more background information and links to references.

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To view the table with the chart's data, click Chart Table web page.
To download the table with the chart's data, click roads_construct_period_sf.dbf (size 796 bytes) .
To see meta information about the data table used for this topic click here
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 roads_construct_period_allsubs.dbf (size 2,194 bytes)
 
 

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