미국
R1: Oregon Coast: 1994 Aerial Photography of Nesting Seabird Colony Islands for Monitoring Purposes - Selected (Colony) Images Used For Counting, Geospatial Representation
Photography from helicopter taken for the purposes of resource monitoring, specifically seabird colony status and distribution. Oregon Coast aerial photography taken 6/08/1994 and 6/10/1994 on 35mm slide film. Menasha Corp. MD 500e Helicopter roughly 800-900' in altitude, Pilot - Ronald V. Patton, Right Front Photographer - Roy W. Lowe, USFWS, Right Rear Photographer - David S. Pitkin, USFWS These slides have been scanned at 1200 - 4000 DPI and have about 1-foot pixel resolution. Please note that these photos have not been georeferenced. The photos have not been orthorectified and therefore there will be photo anomalies and mis-matches between adjoining photos. Caution should be exercised if attempting to use this imagery to conduct measurements. This geospatial representation includes the best quality images for each nesting seabird colony. The metadata includes grades for image quality.