Field Notebook: Florida. 1911, 1912
Page 17
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
I them. The shells are so plentiful that a geologist could find in the fine gravel one in every 3 to 4 square miles. I think. However, and hollow ones are all in certain forms, and as a rule are single valves. Ripple marks are common along the upper crust level and are parallel with the coast. To day there is a strong northeaster wind and in places where the crust stands back of little barriers there made cross traverse crease transverse series are 2 sets of ripples, one by the sea and another by the wind driving the water along as if in a stream. On the higher part of the beach where the sand is dry all was in motion being driven along by the high wind. When the wind is transvers to the brook it piles it up in the dunes which here are rarely once than 20 feet high, and on their sea edge palms are growing and the gust storms are growing into the dunes. In Pass there one vertical cliff nearly ten feet high but as a rule the cliffs are not more than 2 foot. These cliffs are ventoil and are decidedly irregularly loded in any straight or wavy or irregular bands interwoven with floor bands, and quite different from the coral bedding beds.