science

Independence Rock

Independence Rock is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Independence Rock rather than just read about it. In short: Independence Rock is a large granite rock, approximately 130 feet (40 m) high, 1,900 feet (580 m) long, and 850 feet (260 m) wide, which is in southwestern Natrona County, Wyoming, United States, along Wyoming Highway 220. During the middle of the 19th century, it formed a prominent and well-known landmark on the Oregon, Mormon, and California emigrant trails.

Key takeaways

Independence Rock belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Independence Rock to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Independence Rock from memory before moving on to harder problems.

Reference excerpt

Independence Rock is a large granite rock, approximately 130 feet (40 m) high, 1,900 feet (580 m) long, and 850 feet (260 m) wide, which is in southwestern Natrona County, Wyoming, United States, along Wyoming Highway 220. During the middle of the 19th century, it formed a prominent and well-known landmark on the Oregon, Mormon, and California emigrant trails. Many of these emigrants carved their names on it, and it was described by early missionary and explorer Father Pierre-Jean De Smet in 1840 as the Register of the Desert. The site was designated a National Historic Landmark on January 20, 1961 and is now part of Independence Rock State Historic Site, owned and operated by the state of Wyoming.

Description The rock is a large rounded monolith of Archean granite typical of the surrounding region and is an isolated peak at the southeast end of the Granite Mountains. Its appearance is somewhat like the rounded Enchanted Rock of Texas or Uluru in Australia (formerly known as Ayers Rock), although smaller in size. It is located in the high plateau region of central Wyoming, north of the Sentinel Rocks ridge and adjacent to the Sweetwater River. It is accessible from a rest area on Wyoming Highway 220, approximately 20 miles (32 km) northeast of Muddy Gap and 60 miles (97 km) south-west of Casper.

History The rock derives its name from the fact that it lies directly along the route of the Emigrant Trail. Pioneering wagon parties bound for Oregon or California usually left the Missouri River in the early spring and hoped to reach the rock by July 4 (Independence Day in the United States), in order to reach their destinations before the first mountain snowfalls. It was likely named prior to 1830. John C. Frémont camped a mile below this site on August 1, 1843 and made this entry in the journal of his 1843–1844 expedition:

Everywhere within six or eight feet of the ground, where the surface is sufficiently smooth, and in some places sixty or eighty feet above, the rock is inscribed with the names of travelers. Many a name famous in the history of this country, and some well known to science, are to be found among those of traders and travelers. Fremont carved a large cross into the rock monolith, which was blasted off the rock on July 4, 1847 by hundreds of California and Oregon emigrants who had gathered on the site. Some Protestants considered the cross to be a symbol of the Pope and Catholicism. John Frémont was actually a member of the United States Episcopal Church. On July 4, 1862, Independence Rock was the site of Wyoming's first Masonic Lodge meeting.

Gallery

See also Wyoming Historical Landmarks List of the oldest buildings in Wyoming

References

External links

"Independence Rock National Historic Landmark". Wyoming State Historic Preservation Office. "Independence Rock State Historic Site". Wyoming Division of State Parks and Historic Sites. "Emigrant Trails: Independence Rock". Wyoming State Historic Preservation Office. Archived from the original on July 18, 2015. Retrieved July 15, 2015.

Illustrations

Worked examples

Example 1 — a first encounter with Independence Rock

Start with the simplest possible case. Write down what Independence Rock claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Independence Rock before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Independence Rock ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Independence Rock

In research: Independence Rock appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Independence Rock in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Independence Rock is common in secondary-school and first-year university syllabi. It links to neighbouring topics California Trail, Graffiti in the United States, IUCN Category III, so understanding it makes those chapters shorter.
In everyday life: Look for Independence Rock outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Independence Rock in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Independence Rock means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Independence Rock out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Independence Rock in simple terms?

Why does Independence Rock matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Independence Rock?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Independence Rock.