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SUBMERGED 
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PLATE VI, 










SS eneenieineieneneael 
2M. 1PM. 2PM. TPM. 8PM. SPM. IOPM. IPM. I2PM. 1AM. 
2A.M. 3A.M. 
4AM. 
CHart oF TrpaAL CurRVE For ONE Lunar Day, or Two Tiprs or MEAN RANGE, OBSERVED AT 
Cotp Spring Harpor on Jury 11, 1911. 
This shows the form of a typical tide curve for this harbor, also the time of submergence and emergence, 
during such tides of levels from mean low water up to 7 feet. 
