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The following research tools are third-party links to research information. These links are available for reference below. If you have a link to share or find one needing correcting, please contact the ASPLS.
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      Engineer Manuals (Click to Seach) - EM 1110-1-1000: Photogrammetric & LiDAR Mapping 
- EM 1110-1-1002: Survey Markers and Monumentation 
- EM 1110-1-1003: NAVSTAR Global Positioning System Surveying 
- EM 1110-1-1005: Control and Topographic Surveying 
- EM 1110-2-1003: Hydrographic Surveying 
- EM 1110-2-1009: Structural Deformation Surveying 
- EM 1110-1-2909: Geospatial Data and Systems 
 
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