Phosphate Mining in Central Florida

Front:
.. RAIN weshasi ** 9周

Back:
LK.16--RIDGE DISTRIBUTING CO., P. O. BOX 382, LAKELAND, FLORIDA PHOSPHATE MINING IN CENTRAL FLORIDA WHERE A LARGE PERCENTAGE OF THE WORLD'S PHOSPHATE IS FOUND. (REG. U. S. A. PAT. OFF.) CURTEICHCOLORⓇ 3-D NATURAL COLOR REPRODUCTION ET 7DK-438