The field data collected for each tree.
| Tree number | Sequential number noted on tally sheet and corresponding photo overlay |
| Species | Coded species number |
| Crown diameter | Recorded to nearest whole foot with range finder |
| Removal difficulty | A coded number from a list of 15 potential obstructions |
| Street, park, or parkway | Street trees are trees between the sidewalk and curb. Park trees are trees in designated park areas. Parkway trees are those lining boulevards and in trafficcircles. |
| Condition | One of four well-defined categories: good, fair, poor, dead |
| Injury | One of a list of eighteen possible injuries |
| Hazard | Sidewalk hazard–roots have caused sidewalk to be disjointed and caused avertical displacement of greater than 2".Street hazard-roots have caused curb to be broken and to protrude into street. |
| Management need | One of 7 categories describing the management needs of the tree |
| Date | Date the field data were collected |
| Address | The street address of nearest numbered residence or business. In case of park trees, park name was used. In parkway trees, the name of the parkway was used. |
| Location | Each tree was numbered and its number recorded on the tally sheet. Each tree was also located on the aerial photograph, a dot placed on it and the tree number written beside it. |