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2023 Orthomosaics: High-Resolution Imagery of the McKenzie River, Oregon

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 05:24 AM | Dataset Last Updated: June 23, 2026 at 12:00 AM
The U.S. Geological Survey (USGS) developed high-resolution orthomosaics from natural color aerial photographs collected by the Civil Air Patrol (CAP) of the McKenzie River in the Willamette River Basin in Oregon in 2022 and 2023. Aerial photographs were collected between September 20 and September 24, 2022, and again between July 1 and July 3, from a Cessna 182 aircraft with a Waldo Air XCam Ultra 50 imaging system, which consists of two oblique-mounted Canon EOS 5DS R cameras that are triggered simultaneously. The aerial photographs captured an approximately 1.5-4 kilometer-wide area, generally parallel to and including the McKenzie River, from its confluence with the mainstem Willamette River near Springfield, Oregon to McKenzie Bridge. The USGS applied photogrammetry to the aerial photographs to produce orthomosaic imagery with approximately 10-centimeter spatial resolution. This data release includes the unprocessed aerial photographs, processed orthomosaics, and an orthomosaic index shapefile. The orthomosaic files are formatted as Cloud-Optimized Geotifs (COGs) with JPEG compression to enable cloud-based access. The following documentation describes the 2023 orthomosaics. This work was conducted in cooperation with the U.S. Army Corps of Engineers and as part of the USGS Next Generation Water Observing System (NGWOS) to support hydrogeomorphic analyses and water availability studies.

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