HYDROLOGIC THEME GROUP

The Hydrology theme group included delineations of the Columbia River Basin, subbasins, watersheds and subwatersheds across the study area. Water bodies including rivers, lakes and oceans captured at various scales were also in this theme group. Other data closely related to water features and various designated watersheds, such as Key Watersheds (FEMAT), High Priority Watersheds and PACFISH key watersheds, were in this group. Hydrologic information often provided the spatial foundation for our analysis work

Aquatic Assessment Boundary
(File name: MVBAQU)
	(640x480) (960x800)
	UNIX (297628 Bytes) WINDOWS (302208 Bytes)

Columbia River Basin - United States Portion
(File name: MVBCRBUS)
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	UNIX (235449 Bytes) WINDOWS (232937 Bytes)

Columbia River Basin (CRB) Boundary
(File name: MVBCRB)
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	UNIX (238649 Bytes) WINDOWS (235504 Bytes)

CRB Assessment Boundary
(File name: MVBCRBA)
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	UNIX (320349 Bytes) WINDOWS (312140 Bytes)

Columbia River Basin - United States Portion
(File name: MVBCRBUS)
	(640x480) (960x800)
	UNIX (235449 Bytes) WINDOWS (232937 Bytes)

CRB Assessment Boundary
(File name: MVBCRBA)
	(640x480) (960x800)
	UNIX (320349 Bytes) WINDOWS (312140 Bytes)

Critical Watersheds - American Fisheries Society
(File name: BVOKWS)
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	UNIX (1037886 Bytes) WINDOWS (939067 Bytes)

Drainage Density
(File name: BDBDRDEN)
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	UNIX (58289 Bytes) WINDOWS (70221 Bytes)

Hectares and Acres per Subwatershed
(File name: BDBH6AH)
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	UNIX (173244 Bytes) WINDOWS (121305 Bytes)

Interior Columbia River Basin
(File name: MVBICRB)
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	UNIX (297297 Bytes) WINDOWS (291171 Bytes)

Lakes - 1:100k Enhanced
(File name: BVBLKENH)
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	UNIX (4741283 Bytes) WINDOWS (4294075 Bytes)

Lakes and Reservoirs 2M - Broadscale
(File name: BVBSTLKE)
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	UNIX (407603 Bytes) WINDOWS (392462 Bytes)

Lakes Classed by Water Quality Clusters
(File name: MVBWQCLK)
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	UNIX (71677 Bytes) WINDOWS (61197 Bytes)

Nure Stream Sediment Geochemistry (Pt 1)
(File name: BVBGEO1)
	(640x480) (960x800)
	UNIX (9760177 Bytes) WINDOWS (9013419 Bytes)

Nure Stream Sediment Geochemistry (Pt 2)
(File name: BVBGEO2)
	(640x480) (960x800)
	UNIX (8673483 Bytes) WINDOWS (7961589 Bytes)

Nure Stream Sediment Geochemistry (Pt 3)
(File name: BVBGEO3)
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	UNIX (2853045 Bytes) WINDOWS (2519162 Bytes)

Ocean
(File name: BVBOCEAN)
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	UNIX (405665 Bytes) WINDOWS (389291 Bytes)

Pollutant Sources - Water (CERCLA Sites)
(File name: MVBPOLWC)
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	UNIX (46393 Bytes) WINDOWS (49802 Bytes)

Pollutant Sources - Water (NPDES)
(File name: MVBPOLWN)
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	UNIX (40650 Bytes) WINDOWS (44277 Bytes)

Pollutant Sources - Water (RCRA)
(File name: MVBPOLWR)
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	UNIX (17788 Bytes) WINDOWS (30952 Bytes)

Pollutant Sources - Water (TRI)
(File name: MVBPOLWT)
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	UNIX (9753 Bytes) WINDOWS (25928 Bytes)

River Reach Banks and Waterbodies
(File name: MVBBANKS)
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	UNIX (11714594 Bytes) WINDOWS (10558344 Bytes)

River Reaches Modified for ICBEMP (Pt 1)
(File name: MVBRRCH1)
	(640x480) (960x800)
	UNIX (20218712 Bytes) WINDOWS (17947485 Bytes)

River Reaches Modified for ICBEMP (Pt 2)
(File name: MVBRRCH2)
	(640x480) (960x800)
	UNIX (37366741 Bytes) WINDOWS (33106878 Bytes)

River Reaches Modified for ICBEMP (Pt 3)
(File name: MVBRRCH3)
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	UNIX (15394735 Bytes) WINDOWS (13802060 Bytes)

River Reaches Modified for ICBEMP (Pt 4)
(File name: MVBRRCH4)
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	UNIX (15580455 Bytes) WINDOWS (13678267 Bytes)

Rivers - 1:2M
(File name: BVBRIV2M)
	(640x480) (960x800)
	UNIX (1696990 Bytes) WINDOWS (1686335 Bytes)

Stream Miles by HUC4
(File name: BDBSTRMI)
	(640x480) (960x800)
	UNIX (11385 Bytes) WINDOWS (27674 Bytes)

Streams at 250k from National Marine Fisheries Service
(File name: MVBNMFSR)
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	UNIX (7102433 Bytes) WINDOWS (6430935 Bytes)

Subbasin / Watershed / Subwatershed - Grid
(File name: BGBHLIM2)
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	UNIX (1544471 Bytes) WINDOWS (588166 Bytes)

Subbasin / Watershed / Subwatershed - Vector
(File name: MVBSWSH)
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	UNIX (9687381 Bytes) WINDOWS (8700373 Bytes)

Subwatershed Setting
(File name: MDBSUBWA)
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	UNIX (39090 Bytes) WINDOWS (48305 Bytes)

USGS Subbasins (4th Field HUCs)
(File name: MVBSUBAS)
	(640x480) (960x800)
	UNIX (502001 Bytes) WINDOWS (496007 Bytes)

Water Quality Impairment-Lakes (303D & 305B)
(File name: MVBWQLK)
	(640x480) (960x800)
	UNIX (908023 Bytes) WINDOWS (769899 Bytes)

Water Quality Impairment-Streams (303D & 305B)
(File name: MVBWQST)
	(640x480) (960x800)
	UNIX (6092867 Bytes) WINDOWS (5123353 Bytes)

Watershed Characterization - Subbasin/Subwatershed
(File name: BDBINTRP)
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	UNIX (1775574 Bytes) WINDOWS (1976829 Bytes)

ICBEMP:SPATIAL NAV