Dag-nabbit! The Land Grant was blasted into pieces! Put it back together then go to the Land Office to expand into your Enormous Homestead! Maybe yer neighbors can lend some "animal" glue?
Tend seven Non-Rideable Neighbor Horses
Harvest 25 Wheat on your Homestead
Get one Glue From a Friend
Once this mission is complete, go to the Land Office to craft Land Grants and purchase your new expansion!