BLM OR Quads 12k Polygon Hub

QUADS12_POLY: This theme depicts the 1:12,000 quadrangles for Oregon and Washington as defined in North American Datum 1927 (NAD27). These quads show the approximate extent of and align with the NAD27 corner ticks as displayed on USGS Topoquads.
Organization: Department of the Interior
Last updated: 2025-09-25T03:02:11.177787
Tags: base-data, framework, imagerybasemapsearthcover, index, lands, management, oregon, quadrangles, washington