SpatialNews Press Release
HJW Wins Contract to Map “The Rock”
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Oakland, CA, July 2, 2001 - HJW GeoSpatial (HJW), Inc., a premier provider of aerial
photography, digital mapping and remote sensing data, has been selected to create a
photogrammetric map of the infamous Alcatraz Island. The project was contracted by
Architectural Resources Group (ARG), a leading historic preservation and planning
architectural firm based in San Francisco, CA.
Andy Carpentier, ARG project architect, explained that his clients are currently involved
in a number of stabilization and restoration projects on Alcatraz Island. “The accuracy of
the map that HJW is creating for us will allow our clients to better understand the
implications of current and future projects as they relate to the existing infrastructure,” he
added.
Scheduled for completion in mid July, the project will involve ground control, aerial
photography, planimetric and topographic mapping to create a 40-scale digital map with
2’ contours.
“HJW mapped the Golden Gate Bridge and the Hearst Castle a few years ago. We even
mapped a disintegrating Grecian sculpture for a museum’s restoration team,” said Peter
Ashley, HJW senior project manager. “It’s rewarding to use photogrammetry for the
preservation of historical treasures.”
Serving municipal, government- and private-sector clients since 1949, HJW’s custom
professional services include aerial photography, photogrammetry, digital
orthophotography, topographic and planimetric mapping, remote sensing and GIS. The
firm also provides forestry services and operates Pacific Aerial Surveys, its photo library
that makes more than 500,000 historic and current images available to the public. HJW
has four offices in California - Oakland, Irvine, Walnut Creek, Santa Rosa and a facility
in Phoenix, Arizona.
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Jul 2, 2001
Jun 26, 2002
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