There's a catalog of Hokie merchandise we get a few times a year, I think from the bookstore that has pieces that can be used to decorate gardens, as door stops, and as desk items. But they're about $100+ depending on size and engraving.
Saltpeter is the common name used for several different chemical compounds, specifically for potassium nitrate and sodium nitrate. Potassium nitrate is commonly used in gunpowder, and sodium nitrate is found in fertilizers and explosives.
Salt hay was used to prevent erosion on construction sites. Builders have used salt hay over concrete work and masonry to prevent freezing. It is used for drainage in dry-well construction and around septic tanks. Bulkheaders have used salt hay around docks and behind bulkheads.