This document presents the results of a cultural landscape analysis of the lands within the authorized boundary of Golden Spike National Historic Site (NHS). The report documents the existing and historical conditions of the NHS and identifies various landscape characteristics and associated landscape features that contribute to the historical character, feeling and association of this important place. It also places these features within their historical context. Part 2 of the document identifies an overall treatment philosophy for various components of the NHS, as well as specific treatments for contributing landscape features.