Ramps 1999

Ramp centerlines captured in 1999. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington DC and the surrounding states of MD and VA.
Organization: District of Columbia
Last updated: 2024-04-30T17:49:37.449333
Tags: district-of-columbia, planimetrichistoric, planimetrics, pmetric99, ramps, roads, washington-dc