Layer Name:	Ditches

Coverage Name:	Ditches	

Layer Type:	Line

Status:		Complete

Geog. Extent:	All major Hawaiian islands except Kahoolawe

Projection:	Universal Trans Mercator, Zone 4 (Meters)

Datum:		NAD 83

Description:	Ditches
		
Source:		USGS Digital Line Graphs, 1983 version; 
		DLNR Division of Aquatic Resources (DAR),2004.		

History:	Lines were extracted from the 1983 DLG hydrography layers.
		DAR coded lines with the Hawaii Stream Assessment codes
		and additional attribute data.  Ditch Type and
		Subtype were coded based on USGS hydrography major and minor
		codes.

		OP Staff removed USGS DLG Major/Minor codes and HSA and DAR
		codes, leaving only Ditch Type, Subtype, and Subtype 2.
		OP staff also merged islands together and projected into NAD83.
		
		
Attributes:	Lines:
		
		Shape			Feature Geometry
		Length			Length of segment in meters
		Type			Type of ditch or structure
		Subtype			Subtype of ditch or structure
		Subtype2		Additional Subtype of ditch or structure

			  	  	  
		
		
Contact:	Joan Delos Santos, Office of Planning, State of Hawaii, 
		PO Box 2359, Honolulu, Hi.  96804; (808) 587-2895.
		email:  JDelos_Santos@dbedt.hawaii.gov