Browsing by Subject/Keyword: year:
[Aerial Photographs of The Morton Arboretum] (3.33779)
Date: November 29 1990Creator: Sidwell Company
Type: Map
Description:Aerial photograph taken Nov. 29, 1990 to be used in conjunction with the Sidwell Company's revised topographic map issued in 1990 ( SURV: A III (c) 2 1990 ). Collections grid crosses set out on Arboretum grounds are represented in the aerial survey by open triangles.
Extent: 5 sheets
The Morton Arboretum (3.35349)
Date: 1990Creator: Sidwell Company
Type: Map
Description:The maps show images taken on December 16, 1985 and also April 25, 1990. The copyright date of the maps is 1990.
These maps are part of a 5 sheet set, but sheet 5 is missing.
Extent: 4 sheets
The Morton Arboretum [topographic map] [Revised] (3.5488)
Date: 1990Creator: Sidwell Company
Type: Map
Description:Topographic data produced from aerial photography orginally made Dec.16,1985 (SURV:A III (c) 2); updated for the revision on April 25,1990. True elevations given. Includes Hidden Lake leased land.
Extent: 5 sheets
[Aerial photograph of the Morton Arboretum] (3.5849)
Date: April 25 1990Creator: Sidwell Company
Type: Photographic image
Description:An initial set of photographs used by the Sidwell Company to develop its topographic map of the Arboretum, a revision that was issued in 1990 (SURV: A III (c) 2 1990) . " Project: T90-028." (See related objects link.) Collections grid is identified by white crosses set out on the Arboretum grounds.
Extent: 12 sheets in envelope
Soils Mapped on the Schulenberg Prairie of the Morton Arboretum (3.6772)
Date: 1990Creator: Hootman, Rick, Allen, Kimberly
Type: Map
Description:Key names of soil series and percent of slopes.
Extent: 1 sheet on board
[Morton Arboretum color aerial photograph] (3.6862)
Date: October 1990Creator: Sidwell Company
Type: Photographic image
Description:Taken after completion of North-South Tollway. Stored on top of LAND/SURV cabinet.
Extent: 1 sheet
The Morton Arboretum [topographic map] [Revised] (3.7125)
Date: 1990Creator: Sidwell Company
Type: Map
Description:Topographic data produced from aerial photography orginally made Dec.16,1985 (SURV: A III (c) 2) ; updated for the revision on April 25,1990. True elevations given. Includes Hidden Lake leased Plan.
Marked up by Marcus de la Fleur in preparation for a collections master plan. The library has the resultant plan in the archives on CD, 2001.
Extent: 5 sheets