Complex sentence: For 25 cents Overton agreed to share half of the site with his partner, Asa Lovejoy of Boston, then two years later sold the remaining half of his claim to Francis W. Pettygrove of Portland, Maine.
Split into simpler sentences: For 25 cents Overton agreed to share half of the site with his partner, Asa Lovejoy of Boston. Two years later sold Overton sold his remaining half of the claim to Francis W. Pettygrove of Portland, Maine.