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The Morton Arboretum Quarterly V. 05 No. 04 (3.34569)
Date: December 21 1969 – March 20 1970Type: Serial
Description:
- The Morton Arboretum: planning for its Second Half-Century (49-53)
- River Birch, Betula nigra: Birch Family (Betulaceae) (54-55)
- The River and the Watershed (56-64)
- Climatological Summary (64)
Extent: 16 pages
The Morton Arboretum Quarterly V. 06 No. 01 (3.34570)
Date: March 21 – June 20 1970Type: Serial
Description:
- An Earth Day Talk (1-4)
- A Sketch of the Sweetgums (5-11)
- Photographs by E.H. Wilson (12-13)
- Tulip Tree, Liriodendron tulipifera: Magnolia Family (Magnoliaceae) (14-15)
- Arboretum News and Notes (16)
Extent: 16 pages
The Morton Arboretum Quarterly V. 06 No. 02 (3.34571)
Date: June 21 – September 20 1970Type: Serial
Description:
- Firethorn (Pyracantha) in Northeast Illinois: A Second Look (17-25, 32)
- Rain Tree Fountain (26-27)
- Red Maple, Acer rubrum: Maple Family (Aceraceae) (28-29)
- Wild Flower Protection in Illinois (30-31)
- Arboretum News and Notes (32)
- Climatological Summary (32)
Extent: 16 pages
The Morton Arboretum Quarterly V. 06 No. 03 (3.34572)
Date: September 21 – December 20 1970Type: Serial
Description:
- Can Man Learn from Nature? (33-39)
- Prairie Crab Apple, Malus Ioensis: Rose Family (Rosaceae) (40-41)
- The Destructible Oak (42-47)
- Arboretum News and Notes (48)
- Climatological Summary (48)
Extent: 16 pages
The Morton Arboretum Quarterly V. 06 No. 04 (3.34573)
Date: December 21 1970 – March 20 1971Type: Serial
Description:
- Mathematics, Ecology & A Piece Of Land: The Illusion Of Predictability (49-54)
- The Smoggy Crystal Ball (55-59)
- Chinese Chestnut, Castanea mollissima: Beech Family (Fagaceae) (60-61)
- Climatological Summary (62)
- Three-Year Index: 1968-1970, Volumes 4-6 (62-64)
Extent: 16 pages