Very good step-by-step to make Papercrete. A mix of about 3 parts paper pulp, 2 parts Portland cement and 1 part perlite. Lighter than hyperturfa and perfect newspaper recycling. Should also be good to make raised beds and retaining walls.
Kenneth R. Marks is the author of The Ancestor Hunt, which is one of the best resources for historical newspaper research available in the online genealogy community. Start with his lessons on researching historic newspapers.