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Arboretum Landscape Teaching Aid Series: A River Emerged From Under A Glacier (3.19497)
Date: 1940 – 1960Creator: Watts, May Theilgaard
Type: Drawing
Description:Primarily textual teaching aid depicting Arboretum landscape. This material shows the origin of gravel pits at the Arboretum.
Header: A RIVER EMERGED FROM UNDER A GLACIER
Text and illustrations from top to bottom:
- [Depicted in stylized scroll with illustration of a steam shovel in gravel pit] The Record: There are several old gravel pits in the Arboretum.
- Interpreting the record:
- 1) A river running under a glacier is confined to a narrow channel, and is, therefore swift. Because of its swiftness it can carry gravel.
- 2) When such a river comes out from under the ice it spreads out and slows down. Slow moving water can carry only fine material. Therefore the river dropped its heavy material.
- 3) When men found these places they dug the gravel out.
Extent: 1 sheet
Forest Nature Trail Guide, page 9 illustrations and layout with preliminary sketches (3.24659)
Date: 1946Creator: Watts, May Theilgaard
Type: Drawing
Description:Sheet One: Original illustrations and layout for page 9, for The Morton Arboretum Forest Nature Trail Guide booklet. Key lines included.
Illustrated stumps with numbers indicate points of interest along trail as seen on trail map.
Tree stump #18: Garter snake
Includes an illustration of a coiled garter snake to the right.
Tree stump #19: Bracken fern
Identifying characteristics for leaves illustrated to the right.
Tree stump #20: Gravel pit
Three illustrations of a gravel pit labeled "1," "2," and "3" showing stages of vegetation regrowth over time.
Tree stump #21: Slime flux
Name of chronic bleeding from the side of an Elm tree. Identifying characteristics for Elm leaf illustrated to the right.
Sheet Two: Preliminary sketch of green-colored illustrations.
Extent: 2 sheets
Evergreen Nature Trail Guide: evergreen trail map and work sheet (3.24663)
Date: 1940sCreator: Watts, May Theilgaard
Type: Document
Description:Original illustrations and layout for the Evergreen Trail Map and Work Sheet planned to accompany The Morton Arboretum Evergreen Trail Guide booklet. Signed "by M. T. Watts" in bottom right corner.
Work sheet in top right corner included to test your conifer knowledge. Bottom left list of plants along the trail used in conjunction with worksheet in top right corner.
Illustrated map includes names of plants along the trail as well as numbers referring to explanations in the Guide booklet.
Extent: 1 sheet