marys.aat {stream.net} | R Documentation |
The "from" and "to" pointers for each arc in the Marys River Arc/Info coverage. The Marys River drains an 800 square kilometer watershed in western Oregon.
marys.aat
This is an extraction from the Arc Attribute Table (AAT) of the
coverage of the Marys River derived from the source below. The
format is comma separated values (.csv) and the three columns
are, as stipulated in net.arcinput
:
arcid | integer Arc/Info User-Id for each arc (segment) |
from | pointer to the preceding arc (either up or downstream) |
to | pointer to the succeeding arc (likewise) |
US Geological Survey 1:100,000 scale Digital Line Graph