1. The preparation of engineering reports Author/Creator: Agg, T. R. 1878-1947. (Thomas Radford) Publication/Creation: New York London : McGraw-Hill book company, inc., 1935 Resource Type: Book Edition: 1st edition. Access & Availability: Loading
2. Highway transportation costs Author/Creator: Agg, T. R. 1878-1947. (Thomas Radford) Publication/Creation: Ames, Ia : Iowa State College of Agriculture and Mechanic Arts, [1924] Resource Type: Book Access & Availability: Loading
3. Tractive resistance and related characteristics of roadway surfaces Author/Creator: Agg, T. R. 1878-1947. (Thomas Radford) Publication/Creation: Ames, Ia : Iowa State College of Agriculture and Mechanic Arts, [1924] Resource Type: Book Access & Availability: Loading
4. The economics of highway grades Author/Creator: Agg, T. R. 1878-1947. (Thomas Radford) Publication/Creation: Ames, Ia : Iowa State College of Agriculture and Mechanic Arts, [1923] Resource Type: Book Access & Availability: Loading