M-64 Yosemite Valley, California Fred Wilhelm, 1939 Restored 2006 with funds from Linda and Brian Graff This Yosemite Valley relief map is based on the pioneering 1930 topographic study “Geologic History of the Yosemite Valley” (Professional Paper 160) by Francois E. Matthes, a leading USGS topographer in early Yosemite surveys. The model is one of many that museum artisan Fred Wilhelm created in Science Hall during the 1930s. Because deep relief is difficult to portray and comprehend on a flat map, models such as this allowed the unique geography of the Yosemite to be clearly understood. While on display in the old Geology Museum (now the Geography Library), this map served as a tactile classroom learning aid in the study of glacial landscapes and geomorphology. During this map’s restoration, another layer of topographic detail was discovered under the present illustration. Wilhelm, in a common practice at the time, may have added a second paint layer onto a purchased model to demonstrate new geologic knowledge or to customize the model for Science Hall. M-70 Kiska Island (No. 15-2) Office of Strategic Services (OSS), July 1943 Donated in 2006 by Mrs. Arthur H. (Martha) Robinson This model of Kiska Island was created in response to the western Aleutian island’s occupation by the Japanese in June 1942. Although Japanese forces had withdrawn by the time the U.S. forces invaded on 15 August 1943, this foam terrain model was used in conjunction with air photos to provide superior geographic familiarization for campaigns. Notice the map’s lack of cultural features but also note the exquisite airbrushed hillshading that would have augmented the aircrew’s visual grasp of the topography. Arthur H. Robinson was the director of the OSS Map Division when this map was created, and he oversaw new techniques such as the use of lightweight, portable rubber, foam, and plastic materials. The earliest reference to a military relief map is a 16th century French description of an Island of Antibe model complete with miniature ships and towns. Now, military terrain modeling is based on computerized visualization and real-time satellite reconnaissance. M-47 Relief Map of Illinois E. H. J. Lorenz, 1915 Restored 2006 with funds from the Department of Geography, Sheila and Michael Bradford, and William Koepcke In 1908, the Geology Department secured the modeling services of E. H. J. Lorenz, a skilled craftsman from the UW College of Engineering’s Extension program. Lorenz created this model of Illinois glacial geology to supplement the Geology Museum’s plaster relief map collection which until then had been purchased from Edwin E. Howell’s company, Microcosm, of Washington, D.C. This relief model, like others of its era, was constructed on a large plank covered with chicken wire and cross supports. Topographic map contour lines were transferred onto cardboard or thin wood, cut out, and assembled vertically with spacers and nails. Wax or clay was applied and carved into geographic features. Finally, a plaster negative mold was created from which many plaster positives could be cast. The labels and geologic features, such as the drift zones shown in this Illinois map, were painted by hand. Inscribed into the once-wet plaster on the back side of this relief map’s legend are the words: “Lorenz Model.” M-36 The Malaspina Glacier with Mt. St. Elias and Yakutat Bay E. H. J. Lorenz, 1909 Restored 2006 with partial funds from Larry H. Stice The Malaspina Glacier in southeastern Alaska is the largest glacier in North America, covering about 1500 square miles, and is considered a classic example of a piedmont glacier. It is named after the Spanish explorer and scientist Alejandro Malaspina, who in 1791 explored and made coastal charts of the area. E. H. J. Lorenz created this model in 1909 to illustrate active glacial processes for students of Lawrence Martin, a newly-arrived geography professor who taught regional geography, glaciation, and physiography. This model has several unique elements. Observe the relief model frame and how it is carved to follow the terrain, a very rare feature that reveals the craftsmanship of the modeler. The map’s title block indicates that it used Israel Cook Russell’s U.S. Geological Survey panoramic photographs, a very early form of photogrammetry. Note also citation for the International Boundary Commission which did not complete the disputed Alaskan boundary until 1913.