The ["NGS"] data submission standards for the National Spatial Reference System (["NSRS"]) are documented in the bluebook, which has the full title of "Input Formats and Specifications of the National Geodetic Survey Data Base". A copy of the bluebook is available online at

The process of submitting data for inclusion in has come to be called "bluebooking", and a station which has been submitted is said to be "bluebooked". Such a station may not yet appear in the published ["datasheet"] database.