Cell lengths are calculated from the river network flow direction data and grid cell resolution described for WAT-RGIS-120m-FlowDirection.asc
Process_Date: 2001-2003
Information relevant to the GIS data encoding
Length of cells in river networkHorizontal Coordinate System Name:NAD 1983 StatePlane Massachusetts Mainland FIPS 2001
Datum: D North American 1983
Reference Ellipsoid: Name: GRS 1980 Semi Axis: 6378137.0
Meridian: Greenwich
Projection Name : Lambert Conformal Conic
Number of bands : 1
Raster Origin : Lower Left
Rows : 392
Columns : 467
Cell Geometry :pixel