180 FLORIDA STATF GEOLOGICAL SURVEY. 
White clay . 13- 17 
White clay and sand. 17- 31 
Hard rock, clay and rock. 31- 35 
Blue clay . 35-50 
Rock . 50- 56 
White clay and sand. 56- 89 
Sand . 89- 90 
White clay and sand. 90-129 
Soft rock .129-130 
Blue clay and sand...130-200 
Loose sand . .200-201 
Tough clay and sand.201-310 
Sand .310-312 
Loose sand .312-355 
Clay and sand.355-365 
Clay ..365-387 
Clay and gravel.387-388 
Rock .....388-396 
White clay ..396-406 
Rock and clay...406-412 
Hard rock .412-414 
Clay with thin strata of soft rock.414-451 
Clay and sand.451-465 
Blue clay .465-477 
Sand .477-481 
Soft sandy rock.481-486 
Sand .486-492 
Loose sand .492-501 
Hard rock .501-510 
Soft rock .510-536 
Limestone . 536-650 
MANDARIN. 
Mandarin lies within the flowing area which borders the St. 
Johns River. Several wells have been put down in this section. 
A well near Mandarin, drilled by H. Walker for J. D. Mead, 
reached a total depth of 600 feet. This well is cased 377 feet 
and the water is reported as rising 60 feet above the surface. 
