The datasheet is the document describing the technical details of a survey control point. The datasheet is provided by the NGS for public use, and it contains details regarding the measured characteristics of the point, as well as description of its condition.
NGS datasheets can be obtained at the NGS Datasheet Page. Click on "DATASHEETS" to get a datasheet for one PID or a set of datasheets for a list of PIDs in a text file on your computer. Click on "ARCHIVED DATASHEETS" and then "YEARLY ARCHIVES" to get datasheet files by county.
The parts of an NGS datasheet are explained in the NGS Documentation File.