Table 15. Type of reclamation recently completed or approved for implementation in the central Florida phosphate district (as of
 November 1979). The sequence of soil strata is shown from top to bottom. Mixed soil types are indicated by hyphens.


 Reclamation sequence Relative area of reclamation types (percent and total hectares)
 (top/bottom) 1971-4. 1975. 1976. 1978b 1979bc 1980-89 1990-99" 2000-09

Overburden (area includes some lake surface) 63.8 51.1 53.1 -- 65.9 31.7 8.1


Overburden/sand tailings 1.4 4.0 8.2 28.7
Overburden/sand tailings/clay -


Overburden/sand tailings-clay
Overburden/clay
Overburden-sand tailings
Overburden-sand tailings/natural ground
Overburden-sand tailings/clay
 Subtotal


 16.7
1.8 16.9


- -- 27.5 9.8
S 4.9 1.2


9.5 5.5 6.4 __ --
74.7 60.6 67.7 28.7 100.1


9.7 17.9 15.8


Clay/natural ground
Clay/sand tailings
 Subtotal


Sand tailings
Sand tailings/clay
Sand tailings/clay/natural ground
Sand tailings-clay
Sand tailings-clay/overburden
Sand tailings-clay/natural ground
 Subtotal


Peat/sand/tailings/clay


Total hectares


2.8 15.3 -- 5.5
12.5 33.2 15.8 5.5

12.9 6.3 12.6
 S 65.8


Cr
n


 z




7.5
7.5


 4.9 45.6
 -2.5

0.0 7.4 45.6


- 0.4
- 11.8


- 1.8


12.9 6.3 12.6 65.8



1565 1037 1742 229


 37.9
 S 1.5 --
0.0 15.5 37.9

 0.7

982 4408 3704


 O


 z
68.1

68.1



2080


*Phosphate Land Reclamation Study Commission 1978.
hBased on release dates in records of the Bureau of Geology.
'Based on scheduled completion dates in records of the Bureau of Geology.


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