not to unnecessarily obscure aspects of the invention various aspects of the invention provide a novel bulkhead wall including an interlocking system of reinforced panels that may be employed for example to stabilize or protect structures along a shoreline a bulkhead wall of fiber reinforced panels having structural values directly related to the thickness of the panel core and the amount of reinforcing fiber incorporated therein may be use in marine conditions to resist scour or erosion while retaining soil materials behind the panel and resisting hydrostatic loads fig1 and 2 illustrate a reinforced retention panel 100 according to one embodiment of one aspect of the invention the panel 100 includes a core 102 reinforced by one or more layers of reinforcing fiber 104 the reinforcing fiber 104 may be carbon fiber or any other material which serves to reinforce and or strengthen the panel 100 in one implementation the layers of reinforcing carbon fiber 104 may be arranged near the faces of the panel 100 according to one embodiment of the invention the reinforcing layers of carbon fiber 104 include unidirectional fiber 106 running substantially parallel to the longitudinal axis of the panel 100 the longitudinal axis of the panel 100 being substantially parallel to direction in which the panels are to be driven into the ground in another embodiment the reinforcing carbon fiber may be weaved or arranged in various other configurations are directions relative to the longitudinal axis of the.