STREET TREES—TECHNICAL STUDIES 
Cultural conditions should then be examined in detail. 
1. How far apart are the trees planted? 
2. Is the alignment exact? If there are deviations from strict 
alignment why have they been made? and what is the result? 
3. Where are the trees placed with reference to sidewalk, curb, 
pavement? Is there ample space for trees to grow? 
Fic. 38. Goop Location or SIDEWALK AND OTHER DETAILS 
4. Have the trees been pruned? How? Is the pruning satis- 
factory? 
5. Have tree guards been used? Are they needed? Are they 
satisfactory? 
6. How many trees have broken tops? Due to ice storms or 
other causes? 
7. How many trees show injury to trunk from gnawing horses 
or similar causes? 
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