A PRELIMINARY REPORT ON CLAYS OF FLORIDA 59


 LIST OF ILLUSTRATIONS
FIGURE PAGE
1. Chart showing range of firing temperatures for clay products........... 98
2. Map showing location of clay-working plants ......................... 120
3. General View, Campville Brick Co., Campville, Alachua County........ 121 4. Clay pit. Guilford Bros. Brick Co., Blountstown, Calhoun County...... 126 5. Method of stacking a kiln for burning. Guilford Bros. Brick Co........ 126
6. Unloading a kiln. Guilford Bros. Brick Co........................... 127
7. Black Creek Barge Landing, near Middleburg, Clay County. Formerly used for shipping brick ........................................ 129
8. Clay pit. Gamble and Stockton Brick and Tile Co., South Jacksonville, D uval County ................................................... 136
9. Circular down-draft kiln. Gamble and Stockton Brick and Tile Co..... 136 10. Bluff on west bank of Escambia River at Dexland, opposite Gonzales.
 Interbedded clays (Citronelle Formation?) in lower half; Pleistocene
 sands in upper half .............................................. 139
11. View of a pit face showing cross-bedded clays' (probably Pleistocene),
 Dolores Brick Co., Molino, Escambia County...................... 141
12. General view of clay pit (Citronelle Formation?), Barrineau Bros. Brick
 Co., Quintette, Escambia County ................................. 141
13. Layer of limonite overlaying cross-bedded sand. The sand is underlain
 by clay. Barrineau Bros. Brick Co., Quintette, Escambia County.... 142 14. Pink pottery clay (Citronelle Formation?) exposed in bluff at Gull Point
 near Pensacola, Escambia County ............................... 144
15. Unconformity between two clay beds exposed in a pit five miles north of
 Pensacola, Escambia County...................................... 144
16. Mining clay with steam shovel, Dolores Brick Co., Molino, Escambia
 C ounty ......................................................... 147
17. Dump car for conveying clay from pit to press. Dolores Brick Co.,
 M olino, Escambia County ........................................ 147
18. View of drying shed showing method of stacking brick for drying.
 Dolores Brick Co., Molino, Escambia County...................... 148
19. Plant and drying.sheds, Dolores Brick Co., Molino, Escambia County.... 150 20. Drying tunnels, Macmillan Brick Co., Molino, Escambia County......... 150
21. A battery of circular down-draft kilns. Dolores Brick Co., Molino,
 Escam bia County ................................................ 150
22. General view of Barrineau Bros. Brick Plant, Quintette, Escambia County 152 23. General View, Ocklocknee Brick Co., Lawrence, Gadsden County....... 163 24. Setting a kiln. Morris and Blumer Brick Co., Brooksville, Hernando
 County ..................................................... 167
25. Clay pit, Keystone Brick Co., Whitney, Lake County................... 175
26. View showing kiln sealed ready for firing. Keystone Brick Co., Whitney,
 L ake C ounty .................................................... 175
27. Clay exposed on Apalachicola. River at Estiffanulga Bluff, Liberty County 181 28. "Old Brick Yard Landing," on St. Marys River, Nassau County.......... 187
29. Loading cars, Callahan Brick and Tile Co., Callahan, Nassau County... 187 30. Orlando Pottery, Orlando, Orange County............................. 190
31. A potter at work, Orlando Pottery ................................... 190
32. Portable press in operation. Allentown Consolidated School, near Milton,
 Santa Rosa County ............................................ 202
33. Partially built scove kiln in rear ground with freshly molded brick stacked
 out in open air to dry in foreground. Allentown Consolidated School,
 Santa Rosa County ..... ........................................ 204
34. Firing a scove kiln. Allentown Consolidated School .................. 204
35. Brick machine, Hall Brick Co., Chipley, Washington County............ 215
36. Drying shed, Hall Brick Co., Chipley................................. 215
37. General View of Edgar Plastic Kaolin Company's Plant, Edgar, Putnam
 C ounty ......................................................... 218
38. Removing overburden. Edgar Plastic Kaolin Co., Putnam County...... 219