Base Map Submission for Keokuk County, Iowa

FEMA Framework Basemap datasets comprise six of the seven FGDC themes of geospatial data that are used by most GIS applications (Note: the seventh framework theme, orthographic imagery, is packaged in a separate NFIP Metadata Profile): cadastral, geodetic control, governmental unit, transportation, general structures, hydrography (water areas & lines. These data include an encoding of the geographic extent of the features and a minimal number of attributes needed to identify and describe the features. (Source: Circular A16, p. 13) This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP acquires digital ortho imagery during the agricultural growing seasons in the continental U.S.. A primary goal of the NAIP program is to enable availability of ortho imagery within one year of acquisition. NAIP provides two main products: 1 meter ground sample distance (GSD) ortho imagery rectified to a horizontal accuracy of within +/- 5 meters of reference digital ortho quarter quads (DOQQ's) from the National Digital Ortho Program (NDOP) or from the National Agriculture Imagery Program (NAIP); 1 meter GSD ortho imagery rectified to within +/- 6 meters to true ground. The tiling format of NAIP imagery is based on a 3.75' x 3.75' quarter quadrangle with a 300 meter buffer on all four sides. The NAIP imagery is formatted to the UTM coordinate system using the North American Datum of 1983 (NAD83). The NAIP imagery may contain as much as 10% cloud per tile. This file was generated by compressing NAIP imagery that cover the county extent. Two types of compression may be used for NAIP imagery: MrSID and JPEG 2000. Target values for the compression ratio are (15:1).

Data and Resources

Field Value
access_constraints ["Use Constraints: Acknowledgement of FEMA would be appreciated in products derived from these data. This digital data is produced for the purposes of updating/creating a DFIRM database.", "Access Constraints: None"]
bbox-east-long -91.8550000000000
bbox-north-lat 41.6410000000000
bbox-south-lat 41.0990000000000
bbox-west-long -92.5240000000000
contact-email jbhightower@pbsj.com
coupled-resource []
dataset-reference-date [{"type": "publication", "value": "2010-03-02"}]
frequency-of-update unknown
licence ["No warranty expressed or implied is made by FEMA regarding the utility of the \n data on any other system nor shall the act of distribution constitute any such warranty. \n FEMA will warrant the delivery of this product in a computer-readable format, and will \n offer appropriate adjustment of credit when the product is determined unreadable by \n correctly adjusted computer input peripherals, or when the physical medium is delivered \n in damaged condition. Requests for adjustment of credit must be made within 90 days \n from the date of this shipment from the ordering site."]
metadata-date 2010-03-02
metadata-language eng; USA
metadata_type geospatial
progress completed
resource-type dataset
responsible-party [{"name": "PBSJ", "roles": ["pointOfContact"]}]
spatial {"type": "Polygon", "coordinates": [[[-92.524, 41.099], [-91.855, 41.099], [-91.855, 41.641], [-92.524, 41.641], [-92.524, 41.099]]]}
spatial_harvester true
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • aerial-photography
  • amerigeo
  • amerigeoss
  • basemap
  • ckan
  • community-keokuk-county
  • county-fips-107
  • county-keokuk-county
  • digital-orthophoto-quad
  • doq
  • doqq
  • fema-cid-19107c
  • fgdc-framework
  • geo
  • geoss
  • image-map
  • map
  • national
  • north-america
  • orthoimage
  • orthophoto
  • rectified-image
  • rectified-photograph
  • region-7
  • state-ia
  • united-states
isopen False
metadata_created 2025-11-20T17:54:40.163246
metadata_modified 2025-11-20T17:54:40.163250
notes FEMA Framework Basemap datasets comprise six of the seven FGDC themes of geospatial data that are used by most GIS applications (Note: the seventh framework theme, orthographic imagery, is packaged in a separate NFIP Metadata Profile): cadastral, geodetic control, governmental unit, transportation, general structures, hydrography (water areas & lines. These data include an encoding of the geographic extent of the features and a minimal number of attributes needed to identify and describe the features. (Source: Circular A16, p. 13) This data set contains imagery from the National Agriculture Imagery Program (NAIP). The NAIP acquires digital ortho imagery during the agricultural growing seasons in the continental U.S.. A primary goal of the NAIP program is to enable availability of ortho imagery within one year of acquisition. NAIP provides two main products: 1 meter ground sample distance (GSD) ortho imagery rectified to a horizontal accuracy of within +/- 5 meters of reference digital ortho quarter quads (DOQQ's) from the National Digital Ortho Program (NDOP) or from the National Agriculture Imagery Program (NAIP); 1 meter GSD ortho imagery rectified to within +/- 6 meters to true ground. The tiling format of NAIP imagery is based on a 3.75' x 3.75' quarter quadrangle with a 300 meter buffer on all four sides. The NAIP imagery is formatted to the UTM coordinate system using the North American Datum of 1983 (NAD83). The NAIP imagery may contain as much as 10% cloud per tile. This file was generated by compressing NAIP imagery that cover the county extent. Two types of compression may be used for NAIP imagery: MrSID and JPEG 2000. Target values for the compression ratio are (15:1).
num_resources 2
num_tags 26
title Base Map Submission for Keokuk County, Iowa