WPA Land use survey map for the City of Los Angeles, book 4 (Van Nuys District to Garvanza District), sheet 20

WPA Land use survey map for the City of Los Angeles, book 4 (Van Nuys District to Garvanza District), sheet 20. Includes: [Title page and] legend [for Book] no. IV; Composite index to Land use map books [for Book 4].; Land use survey - City of Los Angeles. Department of City Planning. These maps were prepared with the assistance of the Works Progress Administration project no. 665-07-G-226 through 1939 to 1940. The land use data contained herein was compiled from a survey made with the assistance of the Civil Works Administration project no. 642, State Emergency Relief Administration project nos. 1-F2-318 and 1-F2-318A and Works Progress Administration project nos. 65-3-4377, 1101-2011 and 465-03-3-106. This survey functioned from Dec. 18, 1933 to May 8, 1939 and covers approximately 460 square miles within the boundary of the City of Los Angeles. It includes 347 colored drawings bound in 10 volumes of which this is no. IV. The land use survey was supervised by the Zoning Engineer. The land use maps were supervised by the Illustrative Planning Engineer for the Sponsoring Department.

美国公共事业振兴署（Works Progress Administration，WPA）洛杉矶市土地利用调查地图，第4卷（范奈斯区至加尔万扎区），第20幅。
包含：[第4卷的]标题页与图例；第4卷土地利用地图集综合索引。
本次土地利用调查由洛杉矶市规划局实施。
该批地图于1939年至1940年间，依托WPA第665-07-G-226号项目完成编制。
本数据集所载土地利用数据，源自多项目协助下开展的调查：包括公共工程管理局（Civil Works Administration）第642号项目、州紧急救济署（State Emergency Relief Administration）第1-F2-318号及第1-F2-318A号项目，以及WPA第65-3-4377号、第1101-2011号及第465-03-3-106号项目。
本次调查实施周期为1933年12月18日至1939年5月8日，覆盖洛杉矶市辖区内约460平方英里的范围。
整套调查成果共计347张彩色绘图，装订为10卷，本数据集为第4卷。
本次土地利用调查由分区工程师负责监督。
本批土地利用地图由发起部门的规划制图工程师负责监制。