Watts, May Theilgaard
Forest Nature Trail Guide, page 4 illustrations and layout
Identifier
3.24654Format
Pen and India ink on cream Strathmore board.Digitization Status
DigitizedReproduction:
OriginalDimensions
29.2 cm W x 37 cm H (Item)21 cm W x 32.4 cm H (Platemark or image size)
Extent
1 sheetType
DrawingDate created
1946Description
Original illustrations and layout for page 4, excluding text, for The Morton Arboretum Forest Nature Trail Guide booklet. Key lines included.Illustrated stump with number indicates point of interest along trail as seen on trail map.
Tree stump #5: description of geological events in the area over time
Includes a graph illustrating a cross-section of 8 geological layers in a center column, numbered 0 - 4400 along the right, and labeled along the left as follows, read from bottom to top -
1) granite
2) Cambrian sandstone 1900' thick
3) sandy limestone
4) St. Peter sandstone 150' thick
5) Galena limestone 240' thick
6) shale
7) Niagara limestone 350' thick
8) glacial drift
Subject - keywords and LC headings
Geology--IllinoisNature study
Nature trails
Drawings -- United States -- 20th century
Pen works -- United States -- 20th century
Forest Trail
