Here you'll find a variety of crocodilian publications for sale, ranging from current books to fairly old publications and reprints. Other herpetological titles are also available. Zoo Book Sales. A highly recommended site for finding both new and used books on crocodiles, alligators and caimans. Books on other species are also available. articles & features:
Laying the First Course. 1  Start at the edge of the wall thatâs most visible, or the edge that butts up against another structure. If your wall goes across a slope, start at the lowest end. 2  Position the first stone in your trench. Make sure the stone is level from front to back and side to side.
Retaining walls are a good way to contain raised gardens and prevent erosion. 1  Here are some different techniques for building a retaining wall in your yard: 2  Dry Stacked Retaining Wall: Involves building a stone wall with no mortar. To make sure it holds up, a dry stacked wall may need to be installed by a professional. Battered Retaining Wall: A battered (stepped) retaining wall is made from stacked blocks with each row stepped back from the one below at a slope of about 1â for every foot of height. Concrete Block Retaining Wall: While