本文係針對1921〜1960年間臺灣《二萬五千分之一地形圖》的三種版本-日製版、聯勤版、美製版-圖資製作概況予以研析。概括而言，日製版是這系列圖之最早版本，以實地施測為主；美製版主要是採用立體航測方式編製；聯勤版則是運用日製版及美製版加上照片修測及實地調繪後複製成圖。總括，本文是針對日製、美製兩套系列圖資的製作背景、涵蓋區域、各版幅數和測繪技術等予以分析探討。

In this paper, the three versions of early days (1921∼1960) Taiwan 1/25,000 topographic maps are discussed, the first Japanese Ministry of Land Surveying (JMLS) version is the first version based on field survey; Second Army Map Service (AMS) version is to prepare the three-dimensional aerial survey; third China Map Service (CMS) version is used on JMLS version and AMS version plus photos and revision surveying copy map, map making survey given to research. In summary, aims at the Japanese system, America system two sets of series map production background, covering the area, each version number of painting and mapping technology to analysis and summarize.