Dataset:  ironwater.dat

Source: M. Sananman and D.W. Lear ((1961). "Iron in the Chesapeake Waters", 
Chesapeake Science, Vol. 2, #3/4, pp.207-209.

Description: Measurements of iron levels at several depths in
Chesapeake Bay. Units=mg/L

Variables/Columns
Depth (feet)  1-3
Iron Content   7-11