Area	Lower Big River
Topic	Sediment: Matthews Lower Big Sub-basin Road Construction 1921-2000

Caption:  The Source Table roads_construct_period_allsubs.dbf was derived from Matthews and Associates (2001) Table 27. FULL_SUB_B includes sub-basins within the CalWater Lower Big River sub-basin, SHORT_NAME is the abbreviation for use on charts, and the years (i.e. Y1936) are the year of the aerial photos used to estimate miles of road construction. Each period of analysis spans back to the previous aerial photo year. See Info Links for more information.

 50 rows of a possible 56 have been displayed.

FULL_SUB_B	SHORT_NAME	Y1936	Y1952	Y1965	Y1978	Y1988	Y2000
Lower Big River	LOWER_BIG	20.9	3.7	2.2	18.9	4.4	13.3
Laguna Creek	LAGUNA	4.1	5.1	2.1	3.9	7.5	18.3
Big River Estuary	ESTUARY	11.8	3	7	9.1	13	15.5
Middle Big River	MIDDLE_BIG	8.5	12.3	30.9	6.8	16.4	40.8
Two Log Creek	TWO LOG	5.1	7.3	10	0.6	3.2	12.4
Little North Fork	LITTLE_NF	12.03	18.62	11.21	4.31	13.89	24.79
Upper North Fork Big	UPPER_NF	-	13.31	18.59	7.79	3.41	16.76
James Creek	JAMES	-	12.29	17.7	4.2	7.01	10.3
Chamberlain Creek	CHAMBERLIN	0.52	27.54	17.26	14.27	2.04	2.29
East Branch North Fk	EAST_BR_NF	-	10.14	4.45	26.62	2.75	9.42
Lower North Fork Big	LOWER_NF	3.08	18.87	13.11	15.28	4.49	5.5
Upper Mainstem Big	UPPER_MAIN	-	16.05	26.7	5.33	12.56	24.13
Martin Creek	MARTIN	-	16.28	15.05	8.33	4.66	22.47
Lower Mainstem Big	LOWER_MAIN	-	9.2	12.24	13.71	24.31	22.76
Upper South Fork Big	UPPER_SF	-	17.59	8.77	1.6	1.56	4.76
Middle South Fork Big	MIDDLE_SF	-	20.85	17.9	5.94	1.22	11.81
Lower South Fork Big	LOWER_SF	1.83	10.3	19.27	43.01	15.02	26.2
Daugherty Creek	DAUGHERTY	-	33.83	26.38	18.53	5.06	25.17

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To learn more about this topic click here .
To download the table with the chart's source data, click roads_construct_period_allsubs.dbf (size 1,874 bytes) .
To see meta information about the data table used for this topic click here
 
 

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