Color Maps View fullsize Little Ice Age infographic. Commissioned by Dagomar Degroot and John McNeill (Georgetown University). View fullsize Commissioned wall map of a land parcel in New Mexico. Produced using lidar data from the University of New Mexico. Map made in QGIS, Adobe Illustrator, and Blender. View fullsize Annexations and revanchism by fascist and authoritarian regimes in interwar Europe. Commissioned by Dr. J. Luke Ryder (US Holocaust Memorial Museum). View fullsize Reference map for "The African Origin of Civilization" exhibition at the Metropolitan Museum of Art, New York. Commissioned by the New York Met. Colour and typeface selection by the Met; all other cartography by Geoffrey Wallace. View fullsize The Valley of Mexico (present-day Mexico City) on the eve of Spanish contact in the early sixteenth-century. Colour version of a map commissioned by Dr. Richard Conway for Cambridge University Press. View fullsize Ocean currents and Spring sea ice occurrence in the high arctic, 1975-1979. Made for Pr. Dagomar Degroot, Georgetown University, and published in the American Historical Review. View fullsize Smuggling routes into the Spanish colony of Yucatán in the late 17th century. View fullsize Wall map of Molloy Island, Australia. Commissioned by Andrew Ralph. View fullsize Reference map of Svalbard and Jan Mayen Island. Made for Pr. Dagomar Degroot, Georgetown University, and published in the American Historical Review. View fullsize ESnet6: National Laboratory infrastructure in the ESNet6 Network. Commissioned by the Lawrence Berkeley National Laboratory.