The Morton Arboretum [topographic survey, 29 sheets]
Identifier
3.5252Publication Information
Chicago, IllinoisFormat
DiazotypesDigitization Status
Not yet digitizedReproduction:
UnknownDimensions
68 cm W x 85 cm H (Item)
Scale
1 inch = 40 feetExtent
29 sheets in binderType
MapDate created
January 1922Description
Large scale topographic survey based on data developed in 1921-1922. Sheet 1 entitled "Key Map", serves as index to grid squares numbered 1-25 and 27; no square 26 was assigned. Each square represents a surface area approximately 1000 by 1200 feet. True elevations are given. Native woodland forest cover is shown throughout the grid squares.
