 Or try the new cheesy garlic steak with cheese sauce and sub crunch over steak, green peppers, onions, and roasted garlic aioli. All now available at a Subway restaurant near you. Beaver Lube Sand and Gravel is the home base for Alaska's sourdough peat. They take great pride in producing the very best organic garden mix of the state. Their topsoil is finely screened and contains topsoil sand and peat. Beaver Lube Sand and Gravel has screened sand, pit run, 2-inch minus for leach field, and granite boulders for your yard work.