The Battle of Grand Gulf was fought on April 29, 1863, during th: In the mathematical field of graph theory, a truncated tetrahedral graph is an Archimedean graph, the graph of vertices and edges of the truncated tetrahedron, one of the Archimedean solids. It has 12 vertices and 18 edges.[7] It is a connected cubic graph,[8] and connected cubic transitive graph.[9]