adjustable connections are provided to enable facing to be secured to anchor elements embedded in an earthen formation , without requiring precise alignment of the anchor elements with connectors on the facing . in one embodiment specially configured bars engage and span the connectors on the facing for rotation relative to the connectors and slotted plates are carried by the bars for connection to the anchor elements . in another embodiment a channel structure is secured to and extends across the facing and a plate assembly having a slot therein for receipt of the anchor elements is slidably received within the channel structure . the anchor elements may comprise bolts secured to a cross - member extending behind soil reinforcing mats embedded within the earthen formation being retained .