52 Astronomy
526 Mathematical geography
526.0285 GIS (Geographic information systems)--mathematical geography 526.09146 Coastal mapping 526.092 Cartographers 526.1 Geodesy 526.3 Geodetic surveying 526.6 Geodetic astronomy and geographic positions 526.7 Gravity determinations 526.8 Map projections 526.9 Surveying
Dewey Decimal Classification
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