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Douglas W. Steinshouer, Contractor to USGS, Denver, CO
1
Esri
1
Feliks M. Persits, Contractor to USGS, Denver, CO (comp.)
1
Sonoma County Agricultural Preservation and Open Space District (Calif.)
1
Timothy R. Klett, USGS, Denver, CO (comp.) and others
1
TomTom International (Firm)
1
Zhonghua di tu xue she
1