Listers, post your DAHL lines I found 2 in the Oregon Census through 1890 1880 DAHL H. Benton County OR 076 Corvallis City Federal Population Schedule OR 1880 Federal Census Index OR16615508 1880 DAHL THYGE Multnomah County OR 348 Portland Federal Population Schedule OR 1880 Federal Census Index OR16647195 I hope this hope helps someone out....Laura Check the BLM site for land records.