From the Index
The reference systems that give coordinates and elevations their meaning, including their history and changes over time.
Measuring the World
An entry-level, field-to-office guide to NATRF2022, NAPGD2022, SPCS2022, epochs, height modernization, and preparing survey workflows for the modernized National Spatial Reference System.
Measuring the World
How NAD 83 evolved through the 1986 adjustment, 83/90-era networks, HARN, FBN, CORS96, NSRS2007, and NAD 83(2011)—and how NAVD 88 replaced NGVD 29.
Measuring the World
From colonial metes-and-bounds surveys and Mason and Dixon to the Coast Survey, U.S. Standard Datum, NAD 27, State Plane coordinates, and NGVD 29.
