Web services > Pennsylvania--Crawford County > 2015-2019

PEMA 2018 Orthoimagery [Pennsylvania--Crawford County]

Crawford County Government · 2018 Full Details

Georeferenced: false

Full Details

Title
PEMA 2018 Orthoimagery [Pennsylvania--Crawford County]
Description
Product: This orthoimagery data set includes 0.5-foot (15-centimeter) 8-bit 4-band (RGBN) digital orthoimage tiles in GeoTIFF format. Geographic Extent: The Crawford County AOI covers approximately 1069 total square miles (2,769 total square kilometers) in the vicinity of Meadville in the Commonwealth of Pennsylvania. Dataset Description: The PEMA 2018 0.5-foot Orthoimagery - Crawford County Delivery project called for the planning, acquisition, processing, and derivative products of imagery data to be collected at a ground sample distance (GSD) of 0.5-foot (15 centimeters). Project specifications are based on the U.S. Geological Survey National Geospatial Program Base Ortho Specification, Version 1.0. The data were developed based on a horizontal projection/datum of NAD83 (2011) State Plane Pennsylvania North FIPS 3701, US Survey Feet. Orthoimagery data was delivered as 352 individual 0.5-foot (15-centimeter) 1" = 100' GeoTIFF (uncompressed) 10,000-foot x 10,000-foot (3,048-meter x 3,048-meter) tiles. Ground Conditions: Aerial photography was captured during the spring of 2018, while no snow was on the ground and rivers were at or below normal levels. In order to post process the imagery data to meet task order specifications and meet horizontal accuracy guidelines, Quantum Spatial, Inc. utilized a total of 496 QC points throughout the Commonwealth of Pennsylvania to assess the horizontal accuracy of the data. These checkpoints were not used to calibrate or post process the data.
Creator
Crawford County Government
Temporal Coverage
2018
Date Issued
2019-04-15
Rights
Upon using any of the data available via this service, you agree to the following disclaimer linked below: Click here for Crawford County, PA GIS Web/Data Disclaimer
Access Rights
Public
Format
ArcGIS ImageMapLayer
Language
English
Date Added
August 10, 2025
Provenance Statement
The metadata for this resource was last retrieved from Crawford County Open Data on 2025-08-24.

Links

Cite and Reference

  • Citation
    Crawford County Government (2019). PEMA 2018 Orthoimagery [Pennsylvania--Crawford County]. . https://share-open-data-crawfordcountypa.opendata.arcgis.com/datasets/crawfordcountypa::pema-2018-orthoimagery (web service)
  • BTAA Geoportal Link

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