Surveyors used a compass to determine the direction of survey lines.
(Surveyors; used; a compass; to determine the direction of survey lines) Context(Surveyors used,List([0, 14))):(Surveyors; used a compass to determine; the direction of survey lines)
Surveyors used,List([0, 14))
Surveyors Surveyors
used used a compass to determine
a compass to determine the direction of survey lines
the direction of survey lines