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Rh large settlement ever existed in the neighborhood of the canal. Unless marked changes have occurred in the land by the opening of passes since the excavation was made, there is no apparent reason why so much labor was bestowed on the work.

Along the Gulf shore, for a distance of 150 feet inland from high-water mark, there exists a flat sand bank about 4 feet above the general surface of the peninsula, and this deposit has apparently blocked up the Gulf end of the canal. The canal at the head of the Caloosahatchee connects with the river and ends abruptly inland.

The canal crossing Pine Island is less than 4 miles from its northern end, and there is no apparent object why the excavation was made. The width, depth, and general appearance of all the canals are the same.

 

There are at least fifty mounds within 20 miles of Gainesville, Florida. The accompanying sketch gives the location of six which have been examined, and of which the descriptions are given in this paper.



Mound No. 1 was 7 feet high and 30 feet in diameter, and located in a cleared field which has been plowed over for the last twenty years.

