338 So. 2d 1156 (1976)
SHELL OIL COMPANY et al.
No. 58627.
SHELL OIL COMPANY et al.
v.
BOARD OF COMMISSIONERS OF PONTCHARTRAIN LEVEE DISTRICT et al.
No. 58627.
Supreme Court of Louisiana.
November 16, 1976.Writ denied. No error of law in the court of appeal opinion.
SUMMERS, J., is of the opinion the writ should be granted.