As for this Norbeck character who pointed me to North Dakota...all we know from the letters is his last name and that he works with "well rigs".
Lewis mentions in postcard #2 "...as Norbeck made a trip North to 2 or 3 well rigs, getting in at midnight. Some of the crops west are junk others are pretty good."
Well, I found him too. Norbeck is Enoch Norbeck aka Enock Norback of Platte, South Dakota in Charles Mix County. I found him along with his family on the 1920 Federal Census. How do I know it's him? His occupation on the census form is listed as "well drilling"
