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You may notice on yours hike in the woods, trees with a section of the bark removed around the girth of the trunk. This is called "girdling." You'll notice the practice in managed forests and woods. Girdling is done to kill the tree by interrupting the flow of nutrients to the roots from the rest of the tree. Why use girdling to kill a tree? One reason is to create a natural death whereby the tree becomes habitat for a myriad of forest life: insects, fungus, birds, for example. The decay also adds organic matter to the forest soil.
In certain tree species, the practice of girdling also prevents regrowth from the stump which aides in forest management goals. In many designated natural areas and parks, forests are being restored to a more original condition; girdling removes undesirable trees gradually from the environment while producing positive effects for the forest.
A March 2009 view of the simple war memorial cross in Springfield, situated off Hilton Street outside St Stephen's Church.
Justice for Charles and Arise for Social Justice held a Juneteenth Celebration Saturday, June 23 at Gerrish Park in Springfield, MA.
Springfield 1TR
Vertical Internal Grinder
-Work Spindle-
Nominal swing : 16"
Actual maximum swing: 21 1/2"
Standard face plate diameter: 18"
Work spindle seed range- infinite: 0 to 450 RPM
Face plate to floor: 30 1/4"
-Wheel Spindle & Grinding Head-
Nominal hole depth capacity: 12"
Stroke of grinding head - maximum: 14"
Clearance over face plate - maximum: 13 1/4"
Clearance over work spindle - maximum: 15 1/4"
Grinding head stroke - inches per minute: 0" to 325"
Tarry period - either or both ends of stroke: .6 to 12 sec.
Automatic cross feed - either or both ends of stroke: .0001" to .020"
Face feed impulse time periods: .6 to 12 sec.
Angle setting of head - either side of center: 0° to 45°
-Motors-
Wheel spindle: 15 HP- 3600 RPM
Hydraulic system: 5 HP- 1200 RPM
-Floor Space-
Right to left - overall: 60"
Front to back - overall: 44 3/4"
Height - overall: 97"
More Info: 2spade.com/Springfield1TR.html
It wasn't a planned shot to get the fountain in line with the roof eve's. The water jets move to music and I had it on a the tripod on a 10 sec timer with a ND filter on half second shutter speed. It was just pure luck and coincidence.
Rick Springfield in concert at the VPAC on 8.29.09.
Photo (C) 2009 Zach Mahone - www.zachmahone.com
The Vilar Performing Arts Center is a Project of the Vail Valley Foundation.