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WGS 84, ITRF, and NAD 27 are NOT recommended. Vertical datum (e.g., North American Vertical Datum of 1988) If GPS used for elevations, recommend using a modern geoid model (e.g., GEOID03) Recommend using NAVD 88 rather than NGVD 29 when possible. Map projection type and parameters (e.g., Transverse Mercator, Lambert Conical) ................
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