Description: topo displays contours for most of Eastern Pima County; some Federal land is not covered by the coverage. Each line has an elevation (z) value. Digitized from USGS Quad maps.
Known Errors/Qualifications: Contour interval varies throughout the coverage depending on the original quad sheet contour interval.
Spatial Domain: Eastern Pima County
Rectified: quads
Maintenance Format: Shape
Primary Source Organization: USGS
Primary Source Document: 7.5 ' quads
Primary Source Date: varies
Primary Source Scale: 24000
Primary Source Format: Paper
GIS Contact: John Regan
MapGuide Layer Name: Topography - USGS without labels
MapGuide Scale Range: 0 - 50000