1 Mexican Contributions to the Cartography of Mexico, 1821-1846 David Y. Allen Revised 4/6/2019 (This replaces the original version of this paper uploaded 7/11/2016. There are no substantive changes, but numerous minor corrections and alterations in wording have been made. Internet links (URLs) in the footnotes have been checked and updated.) Abstract The primary purpose of this article is to present for English-speaking readers an overview of the mapping of Mexico by Mexicans in the first decades of that country’s independence. Much of the material discussed here consists of little-known manuscript maps, which reside in Mexican archives or in large research libraries in the United States. Most of the literature relevant to the study of these maps is in Spanish, and it is often available only in a few North American libraries. For these reasons I have focused on maps that can be found on the World Wide Web, or that are available as facsimiles in relatively widely distributed publications. Internet links to cartographic materials are presented in the footnotes whenever they are available. The bibliography of these materials is full of gaps and uncertainties, which I have attempted to address where possible. Hopefully this article will soon be superseded by the work of someone willing and able to undertake extensive research in Mexican archives. Until then, it will continue to be revised for some time. Please send suggestions, corrections, or additions to: mailto:dyallen44@gmail.com. Introduction Relatively little is known about the mapping of Mexico in the years between the country's achievement of independence in 1821 and the outbreak of the Mexican- American war in 1846. This applies especially to maps made by the Mexicans themselves, as opposed to those published in Europe or the United States. With some qualifications, the Euro-American maps that appeared in this period were derived from Alexander von Humboldt’s map of New Spain, which was first published in 1808, and this group of maps is relatively well known, especially those including what is now the southwestern United States. 1 The fairly extensive mapping activities conducted by the Mexicans themselves during this period have been little studied, mainly because most of the maps remain in manuscript, and only a few were published in very small and little-known editions. Although several important books dealing with the mapping of Mexico in the nineteenth century have appeared in English, they touch only lightly on this period. 2 Several Mexican scholars have published in Spanish capable overviews of Mexican cartographic activities in the first half of the nineteenth century, but even in Spanish there is little research in depth on this subject. 3 The most detailed works describing the Mexican maps produced during these decades are still the two classic books on Mexican geography and cartography published at the end of the nineteenth century by Manuel Orozco y Berra. 4 Although they are not very descriptive and lack illustrations, the works of Orozco y Berra