Surfaces
Every possible material is found as a covering over campus grounds. Concrete, masonry, asphalt, brick, stone, gravel, sod, and plants of all kinds are found. Similar criteria to that of open space holds, but an important consideration is potential uses that the surface must support. For example, where heavy foot or vehicle traffic is likely, the material must respond with great longevity. In particular, a variety of walks and paths must reflect where people walk from origin to destination. Overall, a desirable criterion is a variety of surface material, where practical.
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| Macky Auditorium, Gove & Walsh, 1910, Stone retaining wall | Norlin Quadrangle, 1880, North side walk | CU Research Park, CommArts, 1988, Masonry wall | UMC, Moore & Bush, 1964, New terrace stone |
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| Trumbo Fountain court, Design Concepts, 2003, Fountain surface | Posting Kiosk, William R. Deno, 1985, Sandstone base pattern | Macky Auditorium, Gove & Walsh, 1920, Sandstone base pattern | Macky Auditorium, Gove & Walsh, 1910, New concrete terrace |
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| Pleasant Street, FM Staff, 1980, Sandstone plaza | Bruce Curtis Renovation, Root Rosenman, 2002, Sandstone flag walk | Education, Trautwein & Howard, 1956, Courtyard paving | Ketchum, Charles Z. Klauder, 1938, Bike park paving |