Here is an additional page showing the details such as how many cross-arms, if Guys or Transpositions were used etc.

In the front of the book there is a chart of "KEUFFEL & ESSER CO." Drawing Materials and Surveying Instruments.

In the back of the Field Book are several pages of "KEITH'S RAILROAD CURVE TABLES." it has the mathematical tables and such to figure out curves.

Apparently this book was owned by R. B. Cunningham. of The Pac. Tel. Co.

Locations included,

Sandy, OR. Oswego Leg St. Helens Portland, OR Astoria Lead McMinnville Aurora, OR Carter's Trees Oregon City, OR Portland Rhododendron Lead and other's