Page 14 - doi_preservationbrief36
P. 14

Figures 29: Rehabilitation was selected as the primary treatment for
                                                                    Columbus Park, Chicago, 1IIinois.  Originally designed and executed
                                                                    between 1917 and 1920 by lens Jensen, the waterfall, cascades, rocky
                                                                    brook and assocIated landscape, are well documented and possesses a high
                                                                    level of integrity. (courtesy author)











           Figure 27: The historic birch allee at Stan Hywet Hall, Akron, Ohio was
           suffering from  borer infestation and leaf miner.  Dying trees were topped
           and basal sprout growth encouraged.  Next, trees were selectively
           thinned, and ultimately, when the new growth matured, older trunks
           were removed.  Original rootstock and genetic material were preserved.
           As Illustrated, thIs preservatIOn treatment took fifteen  years to realize.
           (courtesy Child Associates)






























                                                                    Figure 30, 31: A 75-mile portion of Skyline Drive at Shenandoah
           Figure 28:.  Patterns on the land have been preserved through the   National Park overlooking the Blue Ridge Mountains of Virginia required
           continuatIOn of traditIOnal uses such as the grape fields at the Sterling   the rehabilitation of a 22" -high, dry-laid stone wall. The new wall was
           Vineyards in Calistoga, California. (courtesy author)    built to a height of 27" - code normally requires a height of 36". The wall
                                                                    was constructed of percast concrete, clad with split stone and mortar
                                                                    joints. To achieve visual compatibility recessed mortar joints were
                                                                    arranged in a random pattern (courtesy Robert R.  Page)



       14
   9   10   11   12   13   14   15   16   17   18   19