大峡谷位于亚利桑那州中北部,是美国最着名的自然资源之一,是沿着科罗拉多河277英里河流的地面上的巨大伤口,宽18英里,深1英里。在基地代表的地质是近二十亿年前形成的火成岩和变质岩,顶部堆积了沉积层。从大约5-6百万年前开始,科罗拉多河开始雕刻河谷并创造峡谷。峡谷内和附近的人类占领大约在1万年前或更长时间开始,由住宅,花园,储存设施和文物证明。今天,废墟对于美国西南部和墨西哥西北部的Havasupai,Hopi,Hualapai,Navajo,Paiute,White Mountain Apache,Tusayan,Yavapai Apache和Zuni群体非常重要。虽然今天每年有数百万人参观大峡谷,但其最早的19世纪中期的欧洲探险家将峡谷描绘成一个“巨大的未知”,在当天的地图上是一个空旷的空间。第一次由联邦政府资助的探险队于1857年至1858年间由美国陆军地形工程兵团的中尉Joseph Christmas Ives领导。他在科罗拉多河上开了一条50英尺长的船尾轮船,在他进入峡谷之前坠毁了。无畏,他在小船上继续上河,然后步行到现在的Hualapai印第安人保留区。他报告说,该地区“完全没有价值”,但“孤独而威严”,注定要永远不受欢迎,不受干扰。

加拿大阿尔伯塔Essay代写:孤独而威严

Located in the north-central part of Arizona, the Grand Canyon is one of the most famous natural resources in the United States. It is a huge wound on the ground of the 277-mile river along the Colorado River. It is 18 miles wide and 1 mile deep. The geology represented at the base is igneous and metamorphic rocks formed nearly two billion years ago, with sediments on top. Beginning about 5-6 million years ago, the Colorado River began to carve the valley and create a canyon. Human occupation in and around the canyon began about 10,000 years ago or longer, as evidenced by homes, gardens, storage facilities and artifacts. Today, the ruins are important for the Havasupai, Hopi, Hualapai, Navajo, Paiute, White Mountain Apache, Tusayan, Yavapai Apache and Zuni communities in the southwestern United States and northwestern Mexico. Although millions of people visit the Grand Canyon every year today, the earliest European explorers of the mid-19th century portrayed the canyon as a “huge unknown”, an open space on the map of the day. The first federally funded expedition was led by Lieutenant Joseph Christmas Ives of the US Army Terrain Engineering Corps from 1857 to 1858. He drove a 50-foot aft boat on the Colorado River and crashed before he entered the canyon. Fearless, he continued on the boat on the river and then walked to the current Hualapai Indian Reservation. He reported that the region is “completely worthless”, but “lonely and majestic” is destined to be unpopular and undisturbed forever.

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