Who We Are Simplify your next construction or farming project with truck transportation from our locally-owned-and-operated company in Galva, Kansas. In business for more than 15 years, Koehn Transport provides professional retail sales and delivery of all types of ground cover, including rock, aglime, river rock, sand, flagstone, gravel, top soil, fill dirt, and limestone. In addition to ground cover, we also offer flatbed hauling services.