Air Conditioning for Morton Center, The Morton Arboretum, Lisle, Illinois (3.5457)
Date: May 2 1967Creator: Kroeschell Engineering Co.
Type: Plan
Description:Plans, numbered A1-A4, first issued between Jan. 31 and Feb. 24, 1967.
Copy 2 missing page A4.
Extent: 4 sheets, stapled
The Morton Arboretum Visitor Center [Heating/Cooling Systems] (3.5557)
Date: May 24 1971Creator: Kroeschell Engineering Co., Myhrum, Arthur
Type: Plan
Description:This is a revised version of Accession Number 329 (3.5558), dated 4-21-71.
Extent: 10 sheets in binder
The Morton Arboretum Visitor Center [Heating/Cooling Systems] (3.5558)
Date: April 21 1971Creator: Kroeschell Engineering Co., Myhrum, Arthur
Type: Plan
Description:There is a revised version of this plan in the collection, Accession Number 328 (3.5557), dated 5-24-71.
Extent: 10 sheets in binder
The Morton Arboretum Visitor Center [Heating and Ventilation] [Last revised 1972-08-09] (3.5561)
Date: August 9 1972Creator: Kroeschell Engineering Co., Myhrum, Arthur
Type: Plan
Extent: 11 sheets, stapled
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
The Morton Arboretum Visitor Center [Heating and Ventilation] [Last revised 1971-08-31] (3.7067)
Date: August 31 1971Creator: Kroeschell Engineering Co.
Type: Plan
Extent: 4 sheets