Browsing by people, organizations and landmarks: object type:
The Morton Arboretum Visitor Center [Wiring Diagrams and Basement Equipment Location and Inserts] (3.6307)
Date: February 7 1972Creator: Kroeschell Engineering Co., Myhrum, Arthur
Type: Map
Extent: 2 sheets
Morton Arboretum Visitor Center [Heating and Cooling Systems] (3.6308)
Date: April 12 1972Creator: Myhrum, Arthur
Type: Map
Description:Ink/marker revisions made on Copy 2 incorporated into this copy. September 23, 1971 is original date for both copies.
Extent: 4 sheets, stapled
Morton Arboretum Visitor Center [Heating and Cooling Systems] (3.6309)
Date: December 29 1971Creator: Myhrum, Arthur
Type: Map
Description:This copy has ink/marker revisions on sheet 3, incorporated in c.1. September 1971 is original date for both copies.
Extent: 4 sheets