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Image (a) is a photograph of three prospectors kneeling beside a stream and panning for gold. Image (b) is a photograph of a two laborers engaged in hydraulic mining, with a massive expanse of rock spread out before them.
The first gold prospectors in the 1850s and 1860s worked with easily portable tools that allowed anyone to follow their dream and strike it rich (a). It didn’t take long for the most accessible minerals to be stripped, making way for large mining operations, including hydraulic mining, where high-pressure water jets removed sediment and rocks (b).

By the 1860s and 1870s, however, individual efforts to locate precious metals were less successful. The lowest-hanging fruit had been picked, and now it required investment capital and machinery to dig mine shafts that could reach remaining ore. With a much larger investment, miners needed a larger strike to be successful. This shift led to larger businesses underwriting mining operations, which eventually led to the development of greater urban stability and infrastructure. Denver, Colorado, was one of several cities that became permanent settlements, as businesses sought a stable environment to use as a base for their mining ventures.

For miners who had not yet struck it rich, this development was not a good one. They were now paid a daily or weekly wage to work underground in very dangerous conditions. They worked in shafts where the temperature could rise to above one hundred degrees Fahrenheit, and where poor ventilation might lead to long-term lung disease. They coped with shaft fires, dynamite explosions, and frequent cave-ins. By some historical accounts, close to eight thousand miners died on the frontier during this period, with over three times that number suffering crippling injuries. Some miners organized into unions and led strikes for better conditions, but these efforts were usually crushed by state militias.

Eventually, as the ore dried up, most mining towns turned into ghost towns. Even today, a visit through the American West shows old saloons and storefronts, abandoned as the residents moved on to their next shot at riches. The true lasting impact of the early mining efforts was the resulting desire of the U.S. government to bring law and order to the “Wild West” in order to more efficiently extract natural resources and encourage stable growth in the region. As more Americans moved to the region to seek permanent settlement, as opposed to brief speculative ventures, they also sought the safety and support that government order could bring. Nevada was admitted to the Union as a state in 1864, with Colorado following in 1876, then North Dakota, South Dakota, Montana, and Washington in 1889; and Idaho and Wyoming in 1890.

The cattle kingdom

While the cattle industry lacked the romance of the Gold Rush, the role it played in western expansion should not be underestimated. For centuries, wild cattle roamed the Spanish borderlands. At the end of the Civil War, as many as five million longhorn steers could be found along the Texas frontier, yet few settlers had capitalized on the opportunity to claim them, due to the difficulty of transporting them to eastern markets. The completion of the first transcontinental railroad and subsequent railroad lines changed the game dramatically. Cattle ranchers and eastern businessmen realized that it was profitable to round up the wild steers and transport them by rail to be sold in the East for as much as thirty to fifty dollars per head. These ranchers and businessmen began the rampant speculation in the cattle industry that made, and lost, many fortunes.

Questions & Answers

Discuss the differences between taste and flavor, including how other sensory inputs contribute to our  perception of flavor.
John Reply
taste refers to your understanding of the flavor . while flavor one The other hand is refers to sort of just a blend things.
Faith
While taste primarily relies on our taste buds, flavor involves a complex interplay between taste and aroma
Kamara
which drugs can we use for ulcers
Ummi Reply
omeprazole
Kamara
what
Renee
what is this
Renee
is a drug
Kamara
of anti-ulcer
Kamara
Omeprazole Cimetidine / Tagament For the complicated once ulcer - kit
Patrick
what is the function of lymphatic system
Nency Reply
Not really sure
Eli
to drain extracellular fluid all over the body.
asegid
The lymphatic system plays several crucial roles in the human body, functioning as a key component of the immune system and contributing to the maintenance of fluid balance. Its main functions include: 1. Immune Response: The lymphatic system produces and transports lymphocytes, which are a type of
asegid
to transport fluids fats proteins and lymphocytes to the blood stream as lymph
Adama
what is anatomy
Oyindarmola Reply
Anatomy is the identification and description of the structures of living things
Kamara
what's the difference between anatomy and physiology
Oyerinde Reply
Anatomy is the study of the structure of the body, while physiology is the study of the function of the body. Anatomy looks at the body's organs and systems, while physiology looks at how those organs and systems work together to keep the body functioning.
AI-Robot
what is enzymes all about?
Mohammed Reply
Enzymes are proteins that help speed up chemical reactions in our bodies. Enzymes are essential for digestion, liver function and much more. Too much or too little of a certain enzyme can cause health problems
Kamara
yes
Prince
how does the stomach protect itself from the damaging effects of HCl
Wulku Reply
little girl okay how does the stomach protect itself from the damaging effect of HCL
Wulku
it is because of the enzyme that the stomach produce that help the stomach from the damaging effect of HCL
Kamara
function of digestive system
Ali Reply
function of digestive
Ali
the diagram of the lungs
Adaeze Reply
what is the normal body temperature
Diya Reply
37 degrees selcius
Xolo
37°c
Stephanie
please why 37 degree selcius normal temperature
Mark
36.5
Simon
37°c
Iyogho
the normal temperature is 37°c or 98.6 °Fahrenheit is important for maintaining the homeostasis in the body the body regular this temperature through the process called thermoregulation which involves brain skin muscle and other organ working together to maintain stable internal temperature
Stephanie
37A c
Wulku
what is anaemia
Diya Reply
anaemia is the decrease in RBC count hemoglobin count and PVC count
Eniola
what is the pH of the vagina
Diya Reply
how does Lysin attack pathogens
Diya
acid
Mary
I information on anatomy position and digestive system and there enzyme
Elisha Reply
anatomy of the female external genitalia
Muhammad Reply
Organ Systems Of The Human Body (Continued) Organ Systems Of The Human Body (Continued)
Theophilus Reply
what's lochia albra
Kizito
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Source:  OpenStax, U.s. history. OpenStax CNX. Jan 12, 2015 Download for free at http://legacy.cnx.org/content/col11740/1.3
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