Download or read book Why Survey? written by and published by . This book was released on 2011 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: Historic preservation is the stewardship of the important places from our past, including buildings, structures, sites, districts, and landscapes. These places comprise the cultural resources of Colorado. A survey documents the physical evidence of the past that expresses and contributes to the history and identity of a region.