This new edition of the definitive guide to recording America's built environment provides a detailed reference to the re-cording methods and techniques that are fundamental tools for examining any existing structure. Edited by the Deputy Chief of the Historic American Building Survey/Historic American Engineering Record, this revised edition includes in-formation on recent technological advances such as laser scanning, new case studies, and expanded material on the docu-mentation of historic landscapes.

JOHN A. BURNS, FAIA, is a deputy chief and principal architect of HABS/HAER/HALS. He has lectured and written extensively on topics related to historic buildings, including the technologies of architectural and engineering documentation.

HABS/HAER/HALS are part of the National Park Service, U.S. Department of the Interior. The programs document important architecture, engineering structures, industrial sites, and landscapes throughout the U.S. and its territories. The HABS/HAER/HALS collections are archived at the Library of Congress and are also available at http://memory.loc.gov.