National Endowment for the Humanities
Neh: Edsit Ement: Sodbusters!
From the National Endowment for the Humanities, a lesson plan on sod construction on the American prairie, "Sodbusters!" includes several links to related information and four activities: "Designing a Home," "Sodbusters and Their Homes,"...
Nebraska Studies
Nebraska Studies: Building a Sod House
Here's great information on building sod houses. You can even watch a video of a famous two-story sod house that stood until 1967.