Transportation Research Board 1920-1995 : 75 Years of Excellence...and IOWA was there from the beginning., 1995

"Certainly no one person or state was the sole impetus for something as monumental as the Highway Research Board. Yet Iowa boasts of having provided many of the key people whose vision and energies literally created and sustained the HRB during its first critical years: Anson Marston, Thomas Agg, Thomas MacDonald, and Roy Crum." -- from page 2

Sosioekonomisten tekijöiden yhteys terveyteen 75- ja 80-vuotiailla jyväskyläläisillä miehillä ja naisilla

Summary: Socio-economic factors and health among 75- and 80-year-old men and women

Soil-Cement Stabilization, Part 1, Materials and Construction, HR-75, 1962

This report covers the construction in 1961 of the soil-cement base and related pavement structure on Iowa 37 from Soldier to Dunlap, (F-861(6), Crawford, Harrison, Monona). The report also contains an account of the experimental work performed on the same road under research project HR-75.

Mahaska County, Township 75 North Range 15 West

Des Moines River Plat Maps.

Mahaska County, Township 75 North Range 16 West

Des Moines River Plat Maps.

Mahaska County, Township 75 North Range 17 West

Des Moines River Plat Maps.

Marion County, Township 75 North Range 18 West

Des Moines River Plat Maps.

Marion County, Township 75 North Range 19 West

Des Moines River Plat Maps.

Marion County, Township 75 North Range 20 West

Des Moines River Plat Maps.

75 Years on the Move!, 1988

This book was published as part of the Iowa Department of Transportation's celebration of its 75th anniversary (1913-1988). It chronicles and highlights some significant events and achievements during these 75 years. Numerous photographics accompany the text.

[Ordonnance de paiement et reçu de la somme de 75 livres, due au sieur Dubois, hautbois à l'Opéra, pour le paiement de ses appointements de novembre 1771]

Le reçu figure au dos de l'ordonnance de paiement. - Ordonnance signée Joliveau, Berton, Dauvergne