Lighthouse went into operation in 1852. It survived the Civil War and
numerous hurricanes over its years of operation on the Gulf Coast near Pass
Cavallo. The lens now resides in the Calhoun County museum located in Port
This is a 3rd Order Fresnel
Lens. Orders are ranked 1 to 7, with 1 being the largest. The dimension
of a third order lens is 4'8" by 3'3".