1 Verbs to Use for the Word baseline

The next day, whilst the people were at dinner, Boongaree, whose eyes were constantly directed to the shore, espied five natives among the grass, which was so high as nearly to conceal them, walking towards our wooding-place; and, as they proceeded, it was perceived that they had stolen one of our station-flags, four of which had been erected on the beach to mark the baseline.

1 Verbs to Use for the Word  baseline