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Proposed Adjustments in Boundaries of Grand Canyon National Park

ContributorsUnited States National Park Service (Publisher)
Created1925-10-19
DescriptionMap of Proposed Boundary Changes to Grand Canyon National Park.
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Guide to Parapet Views at Yavapai Station, Grand Canyon

ContributorsUnited States National Park Service (Publisher)
Created1939-04
DescriptionEducational leaflet on the formation of the Grand Canyon.
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Horizon - 1988 (July 7)

ContributorsGrant, Michael, 1951- (Host) / Krinsley, David H. (David Henry), 1927- (Interviewee) / Public Broadcasting Service (Broadcaster)
Created1988-07-07
Description
AIDS Files Package, Mike Petchel In-Studio, Holly Caldwell In-Studio (Wong); Robert Robb Commentary #35 Package (Wong); Backscatter Microscope Package (Taylor). Segments on Michael Dukakis' first campaign appearance in Arizona, critique of law enforcement agencies for listing names of suspected AIDS carriers, Robert Robb's commentary (political candidates' charisma), and advancements in…

AIDS Files Package, Mike Petchel In-Studio, Holly Caldwell In-Studio (Wong); Robert Robb Commentary #35 Package (Wong); Backscatter Microscope Package (Taylor). Segments on Michael Dukakis' first campaign appearance in Arizona, critique of law enforcement agencies for listing names of suspected AIDS carriers, Robert Robb's commentary (political candidates' charisma), and advancements in geologic backscattered electron microscopy.