Surveys in Hispanic America: Notes on a New Map Showing the Extent and Character of Surveys in Hispanic America

Abstract

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The American Geographical Society's Map of Hispanic America: Million-Scale Mapping between the Wars

“…1). 31 This map showed that reliable information was strongly associated with the major rivers, national borders and areas of agricultural settlement. In the white 'unsurveyed' areas, AGS compilers were limited to existing published maps and atlases, the most important of which were described as 'mother maps'.…”

Revealing the ‘Lost World’: The American Geographical Society and the Mapping of Roraima during the 1930s

“…Maps based on surveys were further subdivided according to the type of survey: triangulation with precise topographic survey; reliable traverses; triangulation of approximate topography from plane-table sketches or traverses; approximate traverses and compass sketches. As custodian to the largest collection of contemporary Latin American maps in the world by the mid-1920s, the AGS was well placed to publish the first overview of the quality of surveying and mapping for the whole of Latin America and to review the wider literature on the continent's geography (Platt 1930 and1943).…”