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Yuma Case Study

when it comes to the development of yuma county there is may things that make it the city it is today but nothing like the creation and innovation that is the irrigation system put in place on the colorado river. Yuma or arizona city as it was known in the olden days was a small town with nothing much going for it and being used as a crossing for ferries and occasionally for trains. But all that changed with the irrigation of yuma, thanks to the US government funding and U. S. Bureau of Reclamation. putting yuma on the right direction.

Question 1 : did the yuma project have both positive and negative effect on yuma country The Yuma project was a very good success on the U. S. Bureau of Reclamation part . it have a lot of positives and a bit of nevagitives. so in a way yes it did have a positive and negative effect on yuma county . For example the colorado river was a main passage for a lot of steamer boats and with that being said it negatively affected the industry. ”Steamboats still cruised up the Colorado River from Mexico, packed with goods, when the bureau started building the Laguna Dam around 1906…” WIth the river being dammed it lowered the water level making it unsafe for stemmer boat to use the colorado river . nd it also wasn’t really well at distributing the water equally there was some areas that the colorado river that used to go to and fill up and give stability to sustain communities was drying up due to the more need of the water up stream.

“The Colorado River, on which the Cocopah people fished and farmed for about 2,000 years, is often drained dry by upstream demand before reaching this part of Baja, California. ” and “ Water diverted by users farther up the river cause shortages downstream, as well. but with being said the yuma project was probably more beneficial than negative to yuma county . before to when the us bureau of reclamation deciding to build these means of irrigating the land with the help of the colorado river . it was dangerous to live near the river “When it flooded, the sediment-laden river clogged diversion headworks and irrigation canals,which created serious water delivey and maintenance problems.

The heavy flooding also led to high costs for building head works and levees to hand the flows, or repair them after the floods subsided. after the creation of the dams the colorado river was much more reliable on account the before they dammed it and got control of it would flood and be hard to predict it make it a unstable. With the dam being there it gave more people confidence with the land being fertile and sustainable . It brought yuma more people and bumped the population making it the city it is today with it’s nearly 100,000 population . Question 2: Describe in detail how irrigation changed Yuma/ Southern Arizona. Irrigation change yuma county and other parts of southern arizona . n many ways prior to the yuma project yuma was just a little small populated area .

”Yuma was still referred to as Arizona City at the time, and it’s estimated that there were only about 150 residents living in the area, according to the 1860 census. ”1 and was never looked at as a place to stay and live a life for it was dangerous and didn’t have a good sable way of living such as way of getting crops up and growing . before irrigation was implicated and uses in yuma county in means of the the laguna dam in 1901. the river was unpredictable and was at a very high level. t was instead mainly used as a crossing of some sort to california over the colorado river . They used it as a steam boat route to go to california .

“Completed in 1909, the Laguna Dam was the first dam on the Colorado River, marking the end of the steamboat era — and the beginning of irrigated agriculture in the Yuma Valley. ” following that yuma became much easily to sustain crops and keep them from dying. which caused more ways of irrigation to be input into the colorado river and to gain more control over it in order to spread out to different locations . Laguna Dam continued to function as a diversion structure until Imperial Dam was completed in 1948. “with the ability of irrigating the crops yuma over time became the one of the most important and best grower of vegetables such as lettuce only followed by a little bit more places .

”That enables growers to enter the highly volatile fresh produce market by the first half of November, when Salinas, the nation’s other major lettuce producing area, is pretty well winding down…” without irrigation yuma would not be the same as it was today and probably be a same as it was back in 1901. age Question 3 : Explain the various costs of irrigation. How far was it beneficial to Yuma County? When it come to explaining the cost of irrigation it gets a bit complicated due to the fact that there is a lot of factors and or element that had to be put in for the the creation of irrigation to be possible in the yuma county .

For instance some of the factors of the cost of it was the man power and the initial cost and the time it took to make irrigation possible . ok lets start off with the amount of money they spent on it . here was many things to that make up irrigation in yuma but i’m going to be going of from the cost of the The Wellton-Mohawk District irrigation . they invested a whopping 66 million on the project . and i don’t doubt that they made maybe of hard working man to build all of the dams and or canals. “$66 million invested in the project by the United States and the Wellton-Mohawk Irrigation and Drainage District. ” another thing that was a cost of irrigating yuma was the lost of a form of transportation people and goods ,which was steamboating .

The steamboats ruled the river and supplied much of the early building blocks of the territory”. The process of irrigating the place took a while to get it to where it is right now . for it all offical start in 1906 and it is probably still going on in present time with irrigation innovations . and when it comes to how beneficial it became to yuma country it was a home run. The yuma project was a major success geologically and economically. “ In 1962 the Project association finished paying in full its obligation for the construction of Laguna Dam and irrigation works.

Some measure of the success of the project is found by reference to the estimated value of crops grown. In 1963 the value was $34,022,311 or some six times the cost of the entire original project. ” as well with the water flow for example take this quote too” In the 20 years since water from the Colorado River was first applied to lands in the Wellton-Mohawk area, reclamation of irrigable lands has resulted in high crop yields and correspondingly high annual agricultural income.

Question 4 : How did geography impact the development of irrigation in Yuma County? The Geography of yuma had to do a lot with the development of irrigation in Yuma County. To start off without the colorado river it would not be much to irrigate from . and the problem yuma had with flooding problem also impacted it too . it might of been one of the pushing factors to control the river. Another thing was that there was a lot of land that could use some water / be irrigated . Don Diego Iaeger in 1875 constructed an irrigation canal, nearly ten miles in length, which would have furnished water for from 30,000 to 40,000 acres of the richest valley lands along the Colorado River. ”

As you see irrigation had a big impact on yuma county . without it yuma would not be one of the most places where vegetables such as lettuce are being a top produced product , if not the number one place . and it would still be an unsafe and unstable place to live. It fundamentally changed and made yuma better and safe . yuma is where it is today due to the development of irrigation .

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