HUCS10
Title: Hydrologic Unit Codes map
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 19860101
Edition: Version 1.0
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: Intermediate digital file.
Date: 19860101
Currentness reference: Publication date
HUCmaps
Title: State Hydrologic Unit Maps (for each State)
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey, Office of Water Data Coordination
Publication place: Reston, VA
Publication date: unknown
Data type: Map
Map scale denominator: 500
Media: None
Source contribution: Linework for the map layer.
Beginning date: 19740101
Ending date: 19870101
Currentness reference: Publication date
DLGCO
Title: 1:2,000,000 County Boundaries
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 19890101
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: Determination of boundaries for identification of offshore and onshore areas.
Date: 19890101
Currentness reference: Publication date
HUCAKmap
Title: Alaska State Hydrologic Unit Map
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 19870101
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: The source contributed line work and names for hydrologic units in Alaska.
Date: 19870101
Currentness reference: Publication date
Seaber
Title: Hydrologic Unit Maps
Originators: Seaber, Paul R.
Knapp, George L.
Kapinos, F. Paul
Series name: Water-Supply Paper
Series identification: 2294
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 19870101
Media: hardcopyPaper
Source contribution: Cataloging unit names for all States except Alaska.
Date: 19870101
Currentness reference: Publication date
HUCS23
Title: 1:2,000,000-Scale Hydrologic Unit Boundaries
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 20021101
Edition: Version 2.3
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: Spatial and attribute information.
Date: 19981001
Currentness reference: Ground condition
HUCS22
Title: 1:2,000,000-Scale Hydrologic Unit Boundaries
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 20020101
Edition: Version 2.2
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: Spatial and attribute information.
Date: 19981001
Currentness reference: Ground condition
HUCS21
Title: 1:2,000,000-Scale Hydrologic Unit Boundaries
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 20010401
Edition: Version 2.1
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: Spatial and attribute information.
Date: 19981001
Currentness reference: Ground condition
HUCS20
Title: 1:2,000,000-Scale Hydrologic Unit Boundaries
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 19990401
Edition: Version 2.0
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: Spatial and attribute information.
Date: 19981001
Currentness reference: Ground condition
NAHydro
Title: Hydrography Features of the United States (linear)
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 19980101
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: Coastline information
Beginning date: 19850101
Ending date: 19980101
Currentness reference: Ground condition
RF1
Title: Reach File Version 1.0 Alpha
Originators: U.S. Environmental Protection Agency
Publisher: U.S. Environmental Protection Agency
Publication place: Washington, DC
Publication date: 19750101
Data type: Map
Media: None
Source contribution: Information on flow between cataloging units.
Date: 19750101
Currentness reference: Publication date
HUCS111
Title: Hydrologic Unit Codes map
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 19940101
Edition: Version 1.1.1
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: Intermediate digital file.
Date: 19940101
Currentness reference: Publication date
HUCS11
Title: Hydrologic Unit Codes map
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 19920101
Edition: Version 1.1
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: Intermediate digital file.
Date: 19920101
Currentness reference: Publication date
DLGHY
Title: 1:2,000,000 DLG Hydrography
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: unknown
Map scale denominator: 0
Media: None
Source contribution: Location of streams for accuracy testing.
Beginning date: 19720101
Ending date: 19800101
Currentness reference: Publication date
NAStates
Title: State Boundaries of the United States
Originators: U.S. Geological Survey
Publisher: U.S. Geological Survey
Publication place: Reston, VA
Publication date: 19980101
Data type: Map
Map scale denominator: 0
Media: None
Source contribution: Coastline information
Beginning date: 19720101
Ending date: 19980101
Currentness reference: Ground condition