then it had been part of Cocorit) by the governor Fausto Topete, and in 1928 year in which the first town hall was installed, it was decreed on 28 July of the same year on 28 July of the same year change of name to Ciudad Obregón in recognition of Alvaro Obregón, while the name of the municipality was preserved. That same year the first printing press was installed and it was where the first news weekly called 'The Pacific Gazette', owned by Lithuanian immigrant Leo Rosenfeld and his wife Virginia Gámez, was printed. The first neighborhoods were Plano Oriente, Ladrillera, Cumuripa, Hidalgo, Constitución, El Castillo, Quinta Díaz, Bella Vista and Colonia del Valle. Rice was the most important crop in the Yaqui Valley in the early [twentieth century]; other crops also include wheat, beans, chickpeas, various vegetables and alfalfa. Over the course of the century, wheat became the most important crop. Due to Cajeme's agricultural vocation, the first industry of great importance was rice mills.... In the 1950s the agronomist Norman E. Borlaug (called the Father of the Green Revolution) collaborated with the creation of the Northwest Agricultural Research Center (CIANO) and in 1970 received the Nobel Peace Prize for his work in research developing better varieties of wheat and maize.Then "El Valle Del Yaqui" was called,"The Barn Of Mexico." At the end of the twentieth century the railway disappeared as a means of transport for passengers and the station was abandoned. For the development of productive activities, local commerce offers everything from re-shareholders, agricultural implement stores, agribusiness machinery, safety equipment and all kinds of inputs for production. There are two markets for supplies. For the realization of economic activities and service to the general public, Ciudad Obregón has offices of the main financial institutions of the country. Geography The city is located on the parallel 27–29' north latitude and the meridian 109-59' west longitude. With an altitude above sea level of in the city center. It is located in the south of the State of Sonora, from the coast of the Sea of Cortez and from the Sierra Madre Occidental, is also from Hermosillo, the capital of the State; and from the border with the United States. Climate Ciudad Obregón has a steppe climate (Köppen BWh) featuring long, extremely hot summers and short, mild winters with cold mornings. Summer temperatures frequently reach or more, with overnight lows greater