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Album caption and index card: Kanab Creek (left foreground) enters the Colorado River 231.2 kilometers below Lees Ferry and is seen here from a camera station approximately 100 meters above the river. Powell ended his second trip here in 1872, leaving the Grand Canyon via Kanab Canyon. The Middle Cambrian Muav Limestone is exposed at the entrance to Kanab Canyon, with Mississippian Redwall Limestone and Devonian Temple Butte Limestone forming the vertical walls above. The development of a well-defined row of shtrubs above the position of maximum flood stage is the most conspicuous feature of the vegetation in this view. (Altitude 572 meters). Grand Canyon National Park. Coconino County, Arizona. September 10, 1923....
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Album caption and index card: This upstream view was taken from a point just above Spring Canyon, 328.9 kilometers below Lees Ferry. The Middle Cambrian Bright Angel Shale, mostly covered by slope wash, is at river level. A well-developed community occurs above the flood line on both sides of the river. At the present river stage, a large bar, unoccupied by plants, is exposed. (Altitude 454 meters). Coconino and Mohave Counties, Arizona. 1923. (Photo no. 633 by E.C. LaRue). Portion published as Figure 61A in U.S. Geological Survey. Professional Paper 1132. 1980.
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Album caption and index card: This downstream view shows the debris fan at the mouth of Fossil Canyon (out of view on left), 200.8 kilometers below Lees Ferry. The Middle Cambrian Bright Angel Shale is exposed near river level through this reach of the canyon, although it is mostly covered by slope wash. A line of scattered shrubs marks the high water line above the barren beach of rocks and patches of sand. (Altittude 623 meters). Grand Canyon National Park. Coconino County, Arizona. September 6, 1923. (Photo no. 514 by E.C. LaRue). Portion published as Figure 54A in U.S. Geological Survey. Professional Paper 1132. 1980.
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Album caption and index card: The Lower Marble Canyon ends at about kilometer 414.3 and the steep walls of the Inner Gorge give way to less steep talus slopes. In this veiw, looking down the canyon of the Colorado River 437.6 kilometers below Lees Ferry, the flood-line community is well developed above the conspicuous highwater line. The Middle Cambrian Bright Angel Shale is at river level. Typical Mohave Desertscrub species of the foreground include ocotillo, white bursage, and agave. The flood-line community includes western honey mesquite and catclaw. (Altitude 282 meters). Grand Canyon National Park. Mohave County, Arizona. October 13, 1923. (Photo no. 747 by E.C. LaRue). Portion published as Figure 72A in...
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Album caption and index card: This upstream view was taken from a point 168 meters above the Colorado River and shows Granite Park, 336 kolometers below Lees Ferry. A flood-line community is strongly developed along this section of the canyon. Some trees have become established at the edge of the river, a habitat that is here more stable than usual because of the great width of the valley floor. (Altitude 442 meters). Grand Canyon National Park. Mohave County, Arizona. September 28, 1923. (Photo no. 642 by E.C. LaRue). Portion published as Figure 64A in U.S. Geological Survey. Professional Paper 1132. 1980.
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Album caption and index card: View down the V-shaped canyon cut through Precambrian metamorphic rocks. The stratified formation capping the Precambrian rocks is the Lower and Middle Cambrian Tapeats Sandstone. The far skyline is defined by a formation of the Pennsylvanian and Permian Supai Group. The sand deposit in the foreground and the one across the river are both at the mouths of minor tributary canyons 360.7 kilometers below Lees Ferry. A flood line is apparent from stains on the rocks of the opposite shore and no plants are visible below that level. (Altitude 408 meters). Grand Canyon National Park. Mohave County, Arizona. October 2, 1923. (Photo no. 665 by E.C. LaRue). Portion published as Figure 67A in...
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Album caption and index card: E.C. LaRue, a member of the 1923 U.S. Geological Survey team, took this upstream view at the lower end of Tanner Wash rapids in Marble Canyon, 39.4 kilometers below Lees Ferry. These rapids have been difficult to navigate in the past: Powell posted and lined here in 1869; two members of the Brown-Stanton party drowned here in 1889; Bert Loper's boat capsized here in 1939 and he was never seen again. A large pile of driftwood has accumulated on the silt deposit in front of the boats. Pre-Glen Canyon high-water surges probably overflowed the uppermost boulders.Roughly 2 kilometers upstream from this station recent river silts 6-7.5 meters above river level remain as evidence of the height...
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Album caption and index card: This view was taken from the top of a talus slope on the right bank a short distance above Triple Alcoves, 74.8 kilometers below Lees Ferry. The vertical outcrops with conspicuous bedding at right foreground are the Middle Cambrian Muav Limestone. The Mississippian Redwall Limestone forms the vertical cliffs above the right bank. A few logs of driftwood can be seen along the upper part of the boulder-strewn beach; elsewhere on the beach, there are no signs of plants. (Altitude 858 meters). Boat near center bottom. Grand Canyon National Park. Coconino County, Arizona. 1923. (Photo no. 390 by E.C. LaRue). Portion published as Figure 43A in U.S. Geological Survey. Professional Paper...
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Album caption and index card: This downstream view shows the stretch of quiet water above Soap Creek rapids, 17.7 kilometers below Lees Ferry. The alluvium near the river is devoid of plants. A few outcrops of the Lower Permian Hermit Shale on the slope above the river are exposed through the covering of debris that has fallen from above. Two men in boats on Colorado River at right. (Altitude 933 meters). Grand Canyon National Park. Coconino County, Arizona. August 2, 1923. (Photo no. 338 by E.C. LaRue). Portion published as Figure 37A in U.S. Geological Survey. Professional Paper 1132. 1980.
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Album caption and index card: This upstream view of the Colorado River was taken from a hill above the mouth of Maxson or Reference Point Canyon, 406.0 kilometers below Lees Ferry. At the time of the photograph, barren silt accumulations deposited during floods could be seen high on the steep walls of the Inner Gorge. Dashed line on published photo shows location of silt bank visible in photo no. 92, taken after completion of the Hoover Dam. (Altitude 322 meters). Grand Canyon National Park. Mohave County, Arizona. October 136, 1923. (Photo no. 747 by E.C. LaRue). Portion published as Figure 71A in U.S. Geological Survey. Professional Paper 1132. 1980.
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Album caption and index card: This photograph was taken form the left bank 313.6 kilometers below Lees Ferry. A Quaternary basalt flow is seen at river level on the right. The canyon of the Colorado River is broad enough here so that the scouring action of flood waters is dampened and some perennial plants became established in the alluvium near the river. A flood, 6 days earlier, overtook the U.S. Geological Survey crew at Lava Falls, 25.1 kilometers upstream from here and the river stage increased by 6.7 meters. The signs of recent wave action high on the beach in this photograph probably stem from the same flood. Several plants such as the tree (Fremont cottonwood or willow) at right midground, desert broom (left...
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Album caption and index card: Diamond Creek enters the Colorado River 363.2 kilometers below Lees Ferry and is the first place in that distance where vehicles can reach the river. The mouth of Diamond Creek was visited by Ives and his party in 1858 and was the terminus of the Wheeler Expedition in 1871. The Diamond Creek Hotel was in operation here for sightseers from 1884 to 1889 before scenic areas farther east were developed. In this upstream view, the only plant at the river's edge is a large tree visible on the opposite bank in a protected area below a bar. Large plants on the fan at the mouth of Diamond Creek (right midground) are probably mesquites. On the uppermost sandy terrace of the fan a dense growth...
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Album caption and index card: The U.S. Geological Survey team has moored its boats near a large rock at a sand bar on the right bank, 368.0 kilometers below Lees Ferry. Although no flood-line community is found on the steep walls of the Lower Granite Gorge, the flood line is visible because of stains on the rocks of the talus slopes. No plants are found below that line, and above it are seen widely scattered desert shrubs. (Altitude 395 meters). Grand Canyon National Park. Mohave County, Arizona. October 7, 1923. (Photo no. 690 by E.C. LaRue). Portion published as Figure 70A in U.S. Geological Survey. Professional Paper 1132. 1980.
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Album caption and index card: The water in Deer Creek plunges more than 30 meters through a slot cut in the Lower and Middle Cambrian Tapeats Sandstone just before entering the Colorado River, 219.1 kilometers below Lees Ferry. Angular blocks from the cliff face above lie on the banks of the river. The Colorado River flows from right to left in this picture. (Altitude 588 meters). Grand Canyon National Park. Coconino County, Arizona. September 10, 1923. (Photo no. 546 by E.C. LaRue). Published as Figure 56A in U.S. Geological Survey. Professional Paper 1132. 1980. Note: See lec00546.
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Album caption and index card: What appear to be catclaw and western honey mesquite form a dense community lining the channel of Cave Canyon which enters the Grand Canyon from the left bank 441.3 kilometers below Lees Ferry. This community merges with the flood-line community of the Colorado River valley. There is apparently a moist area in a travertine deposit on the bank opposite the mouth of Cave Canyon which supports a low growth of plants that extends to the edge of the river. The slopes near the camera station are dominated by creosote bush and white bursage. (Altitude 280 meters). Grand Canyon National Park. Mohave County, Arizona. October 15, 1923. (Photo no. 761 by E.C. LaRue). Portion published as Figure...
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Album caption and index card: This downstream view was taken at kilometer 350.3 from a station just below the mouth of Two Hundred and Seventeenmile Canyon and only a short distance into the Lower Granite Gorge. Except where sediment has entered the canyon from tributaries, there are few sand or gravel shores within the Lower Granite Gorge, so steeply have the Precambrian rocks eroded to river level. Even where substrate exists for riparian communities, as on the foreground debris fan, the narrowly defined valley tends to increase the depth of flood waters making these habitats too unstable for plant establishment. The flood-line community is also missing on the steep slopes above the river. (Altitude 414 meters)....
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Album caption and index card: Members of Powell's second river expedition found quartz crystals on an ant hill near the pyramid-shaped peak at center and the peak became known as Diamond Peak. The valley is broad through this section of the Lower Granite Gorge, and alluvial deposits are common. There is a single plant at the left on the far side of the gravel bear in this downstream view taken 358.1 kilometers below Lees Ferry. The plant's identity is uncertain, but it appears bent over, perhaps from the same flood of a few days earlier that overtook the U.S. Geological Survey team at Lava Falls. The flood-line community is conspicuous in this photograph taken in early October. In the foreground, a large willow...
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Album caption and index card: A bare skirt, several times wider than the length of the U.S. Geological Survey boat at left, is seen in this view of the right bank a short distance above Lava Falls, 287.4 kilometers below Lees Ferry. A dense shrub community occurs above the reach of flood water. (Altitude 511 meters). Grand Canyon National Park. Coconino County, Arizona. September 18, 1923. (Photo no. 601 by E.C. LaRue). Portion published as Figure 58A in U.S. Geological Survey. Professional Paper 1132. 1980.
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Album caption and index card: The U.S. Geological Survey team camped on the right bank, 34.6 kilometers below Lees Ferry. A portion of the Pennsylvanian and Lower Permian Supai Group is here exposed at the upper right. The stick in the foreground is a mast for a radio antenna. The conspicuous plants on the sandy knoll behind the four men are probably wire lettuce and spiny aster. On the opposite bank, a discontinuous line of shrubs, probably Apache plume, marks the level of maximum river stage. (Altitude 907 meters). Boat also visible at near shore. Grand Canyon National Park. Coconino County, Arizona. August 6, 1923. (Photo no. 353 by E.C. LaRue). Published as Figure 38A in U.S. Geological Survey. Professional...
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Album caption and index card: The mouth of Two Hundred and Ninemile Canyon is seen across the river from this camera station in a small cove at Granite Park, 336 kilometers below Lees Ferry. The first cliffs above the river to the right of the canyon mouth are remnants of a basalt flow and are preserved here, as elsewhere along this reach of the Grand Canyon on the inside of a meander bend. The willow at left is one of those seen from a distance hill in photo no. 77. Once these plants have developed a large enough root system, they withstand considerable buffeting by floods in the broad valley at Granite Park. A well-developed flood-line community can be seen across the river at the mouth of Two Hundred and Ninemile...


    map background search result map search result map This downstream view shows the stretch of quiet water above Soap Creek rapids, 17.7 kilometers below Lees Ferry. Grand Canyon National Park, Coconino County, Arizona. 1923. The U.S. Geological Survey team camped on the right bank, 34.6 kilometers below Lees Ferry. Grand Canyon National Park, Coconino County, Arizona. 1923. E.C. LaRue, a member of the 1923 U.S. Geological Survey team, took this upstream view at the lower end of Tanner Wash rapids in Marble Canyon. Grand Canyon National Park, Coconino County, Arizona. 1923. This view was taken from the top of a talus slope on the right bank a short distance above Triple Alcoves. Grand Canyon National Park, Coconino County, Arizona. 1923. This downstream view shows the debris fan at the mouth of Fossil Canyon below Lees Ferry. Grand Canyon National Park, Coconino County, Arizona. 1923. The water in Deer Creek plunges more than 30 meters through a slot cut in the Lower and Middle Cambrian Tapeats Sandstone just before entering the Colorado River. Grand Canyon National Park, Coconino County, Arizona. 1923. Kanab Creek, shown in the left foreground, enters the Colorado River 231.2 km below Lees Ferry. Grand Canyon National Park, Coconino County, Arizona. 1923. A bare skirt, several times wider than the length of the U.S. Geological Survey boat at left, is seen in this view of the right bank a short distance above Lava Falls. Grand Canyon National Park, Coconino County, Arizona. 1923. This photograph was taken form the left bank 313.6 kilometers below Lees Ferry. A Quaternary basalt flow is seen at river level on the right. Grand Canyon National Park, Coconino and Mohave Counties, Arizona. 1923. View of the Middle Cambrian Bright Angel Shale, covered by slope wash, taken from a point above Spring Canyon. Grand Canyon National Park, Coconino and Mohave Counties, Arizona. 1923. The mouth of Two Hundred and Ninemile Canyon is seen across the river from this camera station in a small cove at Granite Park. Grand Canyon National Park, Mohave County, Arizona. 1923. A view of Granite Park taken from a position above the Colorado River. Grand Canyon National Park, Mohave County, Arizona. 1923. Downstream view from below the mouth of Two Hundred and Seventeenmile Canyon, a short distance into the Lower Granite Gorge. Grand Canyon National Park, Mohave County, Arizona. 1923. View of broad valley through a section of Lower Granite Gorge, where alluvial deposits are common. Grand Canyon National Park, Mohave County, Arizona. 1923. View down the V-shaped canyon, showing Lower and Middle Tapeats Sandstone. Grand Canyon National Park, Mohave County, Arizona. 1923. In this upstream view, the only plant at the river's edge is a large tree visible on the opposite bank in a protected area below a bar. Grand Canyon National Park, Mohave County, Arizona. 1923. Image displaying the visible flood line through stains on the rocks and talus slopes, Lower Granite Gorge, Lees Ferry. Grand Canyon National Park, Mohave County, Arizona. 1923. Upstream view of the Colorado River near Lees Ferry, taken from a hill above the mouth of Maxson or Reference Point Canyon. Grand Canyon National Park, Mohave County, Arizona. 1923. View down Lower Marble Canyon below Lees Ferry, showing a well-developed flood-line community. Grand Canyon National Park, Mohave County, Arizona. 1923. View of a dense community of what appear to be catclaw and western honey mesquite lining the channel of Cave Canyon. Grand Canyon National Park, Mohave County, Arizona. 1923. The mouth of Two Hundred and Ninemile Canyon is seen across the river from this camera station in a small cove at Granite Park. Grand Canyon National Park, Mohave County, Arizona. 1923. A view of Granite Park taken from a position above the Colorado River. Grand Canyon National Park, Mohave County, Arizona. 1923. Downstream view from below the mouth of Two Hundred and Seventeenmile Canyon, a short distance into the Lower Granite Gorge. Grand Canyon National Park, Mohave County, Arizona. 1923. View of broad valley through a section of Lower Granite Gorge, where alluvial deposits are common. Grand Canyon National Park, Mohave County, Arizona. 1923. View down the V-shaped canyon, showing Lower and Middle Tapeats Sandstone. Grand Canyon National Park, Mohave County, Arizona. 1923. In this upstream view, the only plant at the river's edge is a large tree visible on the opposite bank in a protected area below a bar. Grand Canyon National Park, Mohave County, Arizona. 1923. Image displaying the visible flood line through stains on the rocks and talus slopes, Lower Granite Gorge, Lees Ferry. Grand Canyon National Park, Mohave County, Arizona. 1923. Upstream view of the Colorado River near Lees Ferry, taken from a hill above the mouth of Maxson or Reference Point Canyon. Grand Canyon National Park, Mohave County, Arizona. 1923. View down Lower Marble Canyon below Lees Ferry, showing a well-developed flood-line community. Grand Canyon National Park, Mohave County, Arizona. 1923. View of a dense community of what appear to be catclaw and western honey mesquite lining the channel of Cave Canyon. Grand Canyon National Park, Mohave County, Arizona. 1923. This downstream view shows the stretch of quiet water above Soap Creek rapids, 17.7 kilometers below Lees Ferry. Grand Canyon National Park, Coconino County, Arizona. 1923. The U.S. Geological Survey team camped on the right bank, 34.6 kilometers below Lees Ferry. Grand Canyon National Park, Coconino County, Arizona. 1923. E.C. LaRue, a member of the 1923 U.S. Geological Survey team, took this upstream view at the lower end of Tanner Wash rapids in Marble Canyon. Grand Canyon National Park, Coconino County, Arizona. 1923. This view was taken from the top of a talus slope on the right bank a short distance above Triple Alcoves. Grand Canyon National Park, Coconino County, Arizona. 1923. This downstream view shows the debris fan at the mouth of Fossil Canyon below Lees Ferry. Grand Canyon National Park, Coconino County, Arizona. 1923. The water in Deer Creek plunges more than 30 meters through a slot cut in the Lower and Middle Cambrian Tapeats Sandstone just before entering the Colorado River. Grand Canyon National Park, Coconino County, Arizona. 1923. Kanab Creek, shown in the left foreground, enters the Colorado River 231.2 km below Lees Ferry. Grand Canyon National Park, Coconino County, Arizona. 1923. A bare skirt, several times wider than the length of the U.S. Geological Survey boat at left, is seen in this view of the right bank a short distance above Lava Falls. Grand Canyon National Park, Coconino County, Arizona. 1923. This photograph was taken form the left bank 313.6 kilometers below Lees Ferry. A Quaternary basalt flow is seen at river level on the right. Grand Canyon National Park, Coconino and Mohave Counties, Arizona. 1923. View of the Middle Cambrian Bright Angel Shale, covered by slope wash, taken from a point above Spring Canyon. Grand Canyon National Park, Coconino and Mohave Counties, Arizona. 1923.