National Atlas (3.5933)

Date: late 1960s
Creator: Geological Survey (U.S.)
Type: Map
Description:CONTENTS:-- [pt.1] Land-surface form.--[pt.2] Geology.--[pt.3] Monthly sunshine.--[pt.4] Forest types.
Extent: 4 sheets

Lunching & Learning with Clarence Godshalk: Evolution of the Arboretum - From Farm to Arboretum (3.31582)

Date: January 25 1978
Type: Audio
Description:Lunching and Learning program presented by Clarence Godshalk as he describes the evolution of the Arboretum, from farm land to Arboretum.
Extent: 1 audio cassette

Geology model (3.34361)

Type: Photographic image
Description:A model featuring a cross-section of some of Earth's geological layers. 
Extent: 1 slide

Report of the exploring expedition to the Rocky Mountains in the year 1842, and to Oregon and north California in the years 1843-'44. (3.66652)

Date: 1845
Creator: Frémont, John Charles, 1813-1890.
Type: Book
Extent: 583 pages, 1 unnumbered page, 25 leaves of plates : illustrations, maps (some folded) ; 24 cm (8vo).