Quote › St. Croix Valley Limestone - Weatheredge 36"+ Image 1 of 1 St. Croix Valley Limestone - Weatheredge 36"+ $194.12 36”+, For retaining walls calculate 7sf/tonLO-SCVLWE-36+ Add to Quote Added! 36”+, For retaining walls calculate 7sf/tonLO-SCVLWE-36+