Starting in the 10th century the people of Pineland constructed linear mounds in groups, with the mounds oriented perpendicular to the shoreline, in contrast to the earlier middens parallel to the shoreline. These mounds reached heights of up to  by about 1200, at the end of the Caloosahatchee IIB period.
Starting in the 10th century, people living in Pineland built linear mounds in groups, with these mounds positioned perpendicular to the shoreline, a different approach compared to earlier middens aligned parallel to the shore. These mounds reached heights of up to  by about 1200, at the end of the Caloosahatchee IIB period.