282 FLORIDA GEOLOGICAL SURVEY-13TH ANNUAL REPORT

is more or less building of ships and boats along the coast. Preserves and other fruit products are made on a small scale in a few places, and the list of small manufacturing industries.iight be extended considerably if there was any convenient way of getting information about them.
 Among factories in the accepted sense of the word, those that employ skilled or semi-skilled labor in large buildings and make finished products to be consumed in other states, the best known are the cigar factories, which are chiefly concentrated in the outskirts of Tampa and operated by Cubans. They use little or no machinery, and fuel and power constitute only about i/6ooo of their total expenses (as compared with more than Y4 in the case of ice factories).*
 There is a large fertilizer factory. at Inglis, near the mouth of the Withlacoochee River in Levy County, here much of the hardrock phosphate is exported; and a tractor factory at Oldsmar. Plants for the manufacture of. automobile cushio-ns from Spanish moss and of paper from saw-grass are said to be nearing completion at Leesburg.
 The U. S. census of 1910 gives a few meager details for all manufacturing industries in Tampa combined, from which the following figures have been extracted. In 1909 there were 215 "factories" (nearly twice as many as in Jacksonville), with a combined capital of $11,610,421, employing about io,ooo persons (over four times as many as Jacksonville). The total expenses were $16,281,003, and'the value of products $17,653,021.


 TRANSPORTATION

 WATERWAYS

 The St. John's and Ocklawaha Rivers are navigable for most of their length. Passenger steamers are operated throughout the year on the St. John's as far up as Sanford, and during the tourist season small steamers and launches have for many years carried sight-seers up the Ocklawaha and its tributary, Silver Spring Run,
 *A number of original statistics on the efficiency of Tampa cigar-makers under different weather conditions can be found in Ellsworth Huntington's "Civilization and Climate" (1915).