Abstract: The Conversion of 7.5 Quadrangles to DLG-3 Files for the State of Ohio: A Project Overview

J. Raul Ramirez, Eric Cordle

In October 1993, The Ohio State University, several Ohio state agencies, the U.S. Geological Survey (USGS) and representatives of the private sector began a four-year cooperative agreement to convert 700 of the 793 7.5^prime (1:24,000 scale) quadrangles covering the State of Ohio to the USGS Digital Line Graphic 3 (DLG-3) Standard form. Ninety-three quadrangles already had partial to complete DLG-3 coverage.

Information layers being converted include boundaries, hydrography, hypsography, public land survey system and

AAPG Search and Discovery Article #90950©1996 AAPG GCAGS 46th Annual Meeting, San Antonio, Texas