A retaining wall block engagement system comprises a plurality of wall blocks connected with connectors. Each wall block comprises a top surface and opposing bottom surface, a front surface and opposing rear surface and first and second opposing side surfaces. Each side surface includes a shoulder portion and a pair of recesses extending upwardly from bottom surface. The recesses separated by a web portion. A plurality of generally H-shaped or h-shaped connectors are configured to interlock a block in a given course with a block in an adjacent course of blocks.

 
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