00976cam a2200265 4500 293227994 TxAuBib 20170101120000.0 970421s1997||||||||||||||||||||||||eng|u 97066382 9780965231015 0965231011 (OCoLC)38465556 IaDa IaDa MiLT DLC TxAuBib Landis, Leo. Building better roads : Iowa's contribution to highway engineering 1904-1974 / Leo Landis. Ames, Iowa : Center for Transportation Research and Education, Iowa State University, 1997. xiii, 96 p. : ill. ; 26 cm. Includes bibliographical references (p. 87-88) and index. 20170101. Highway engineering Iowa. Highway research Iowa. Roads Iowa. Iowa State University, Center for Transportation Research and Education.