Patent ID: 7544014

Claim:
An earth retaining wall comprising at least one first block having a front, a top, and a rear, and at least one second block stacked on said first block having a bottom positioned over at least a portion of said top of said first block, said first block having a longitudinal groove extending laterally across said top, said groove having a depth greater than a front to back width, said bottom of said second block closing at least a portion of said groove, said groove having a front and a rear, an elongated rod positioned in said groove, an elongated wedge positioned in said groove above said rod, and a geogrid fabric embedded in backfill behind said retaining wall and extending between said first and second blocks to said groove, into said groove, around said rod, between said rod and said wedge to the rear of said wedge and from said groove between said first and second blocks in a direction towards said rear.