Doyle Peak: Difference between revisions
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{{Short description|Mountain in Coconino County, Arizona}} |
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{{Multiple issues|{{More citations needed|date=August 2016}} |
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{{Original research|date=August 2016}}}} |
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{{Infobox mountain |
{{Infobox mountain |
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| name = Doyle Peak |
| name = Doyle Peak |
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| photo = Doyle Peak and Fremont Peak from the east side of Agassiz Peak.jpg |
| photo = Doyle Peak and Fremont Peak from the east side of Agassiz Peak.jpg |
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| photo_caption = Doyle Peak (left, flat top) and [[Fremont Peak (Arizona)|Fremont Peak]] from the east side of [[Agassiz Peak]]. |
| photo_caption = Doyle Peak (left, flat top) and [[Fremont Peak (Arizona)|Fremont Peak]] from the east side of [[Agassiz Peak]]. |
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| photo_alt = A photo from a trail on Agassiz Peak looking towards Doyle and Fremont peaks in summer |
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| elevation_ft = 11,464 |
| elevation_ft = 11,464 |
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| elevation_ref = {{NAVD88}}<ref name="pb">{{cite peakbagger |pid=3939 |name= |
| elevation_ref = {{NAVD88}}<ref name="pb">{{cite peakbagger |pid=3939 |name=Doyle Peak, Arizona |access-date=2009-01-06}}</ref> |
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| prominence = {{convert|660|ft|0|abbr=on}} |
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| prominence_ft = 660 |
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| prominence_ref = <ref name="pb"/> |
| prominence_ref = <ref name="pb"/> |
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| map = Arizona |
| map = USA Arizona |
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| map_caption = |
| map_caption = none |
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| map_alt = A map of Arizona showing the location of Doyle Peak |
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| map_size = 180 |
| map_size = 180 |
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| label_position = right |
| label_position = right |
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| location = [[Coconino County, Arizona|Coconino County]], [[Arizona |
| location = [[Coconino County, Arizona|Coconino County]], [[Arizona|Arizona, U.S.]] |
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| range = [[San Francisco Peaks]] |
| range = [[San Francisco Peaks]] |
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| parent_peak = [[Fremont Peak (Arizona)|Fremont Peak]] |
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| lat_d = 35.3300087 |
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| coordinates = {{coord|35.3300087|N|111.6462717|W|type:mountain_region:US-AZ_scale:100000|format=dms|display=inline,title}} |
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| long_d = -111.6462717 |
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| range_coordinates = |
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| region = US-AZ |
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| coordinates_ref = <ref name="gnis">{{cite gnis |id=28586 |name=Doyle Peak | |
| coordinates_ref = <ref name="gnis">{{cite gnis |id=28586 |name=Doyle Peak |access-date=2009-01-06}}</ref> |
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| topo = [[United States Geological Survey|USGS]] Humphreys Peak |
| topo = [[United States Geological Survey|USGS]] Humphreys Peak |
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| type = |
| type = |
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| age = |
| age = |
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| first_ascent = |
| first_ascent = |
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| easiest_route = [[Hiking| |
| easiest_route = Off trail [[Hiking|hike]] |
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}} |
}} |
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'''Doyle Peak''' is in the [[San Francisco Peaks]] of northern [[Arizona]] and is the fourth highest peak, but the sixth highest named point in the state of Arizona with an elevation of {{convert|11464|ft|m}}. Both Aubineau Peak and Rees Peak are higher, but they do not have enough [[prominence]] to be considered independent peaks. In spite of the name "Doyle" on modern maps this elevation was known as "Schultz" Peak at least through the 1930's. The elevation called "Schultz" on modern maps traditionally had no name, and the name "Doyle" was traditionally attached to the western extreme of the ridge west of Fremont Peak. This information came from Henry Giclas, native and long time resident of Flagstaff, astronomer at Lowell Observatory, and son of the man responsible for developing the water well fields in the Inner Basin of the San Francisco Peaks. Mr. Giclas was unaware of the change and very puzzled by it when asked about the names c. 1990. Note that the names of the saddles between the Peaks are consistent with the names related by Mr. Giclas, but make no sense with the names on current maps. |
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'''Doyle Peak''' is a peak in the [[Coconino National Forest]], and the fourth-highest peak in the [[San Francisco Peaks]] of northern [[Arizona]]. It is the sixth-highest named point in the state of Arizona, with an elevation of {{convert|11464|ft|m}}. |
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Hiking Doyle Peak can be somewhat challenging depending on the route used, but it is not difficult to ascend. Care must be taken to avoid the [[scree]] slopes which can be seen from the south in [[Flagstaff, Arizona|Flagstaff]]. These slopes are quite steep and slide easily. The peak is most easily scaled by hiking the Weatherford Trail to Schultz Saddle, then following the old and now indistinct mule trail to the summit. Doyle is less a true peak than a ridge oriented southwest to northeast, and it can also be ascended by following the ridgeline from Lockett Meadow. The area of the summit is rather flat and wide in several spots. |
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== History of the Doyle Peak and adjacent Schultz Peak == |
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A small structure on the south side of the summit of Doyle was built by Lowell Observatory in 1927 to house a small telescope. The site was selected by Dr. V. M. Slipher for a pair of Bristlecone Pine trees oriented so that they could be cut and pressed into service as supports for the Polar Axle of the telescope. The Polar Axle and telescopes were constructed by the Stanley Sykes, probably with the assistance of his brother, Godfrey. The cabin was constructed by Ramon Vilma (sp?), a local stone mason. Originally the structure had a corrugated roof which could be rolled off to the south to expose the telescope for observations. The Polar Axle was taken by truck on the then-new Weatherford Road to Schultz Saddle, then by mule to the Schultz Peak summit in 1927, and the two telescopes used there were hauled up in the same way. The telescopes were a 12 inch reflector and a 15 inch reflector. From 1927 until 1932 this was the highest astronomical observing site on Planet Earth. (In 1932 the Swiss commissioned a slightly higher site on the Jungfrau.) The original purpose of the site was to test the effectiveness of the then-new vacuum aluminization process for telescope mirrors which had been developed at Cornell University. A similar telescope and roll-off structure was constructed at the Mars Hill site of Lowell Observatory so that photographic observations made at the two sites could be directly compared. The hope was that the Schultz Peak Site - as it was then known - would have significantly less extinction at both ultraviolet and infrared wavelengths which could be exploited by the more reflective aluminum coating. The Mars Hill facility is still in service and now mounts a 21 inch reflector. Today it is used to collect long-term data on Solar Variability and it has a fascinating history in its own right. Like virtually all modern reflecting telescopes its mirror is coated by the vacuum aluminization process pioneered at the Schultz Peak site. The telescopes and Polar Axle from the Schultz Peak site still exist, and one of the bearings from the original roll-off roof has been saved for a possible future museum exhibit. |
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{{Missing information|section|Doyle Peak|date=August 2022}}{{unreferenced section|date=October 2022}} |
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A small structure was built to house a telescope on nearby Schultz Peak by [[Lowell Observatory]] in 1927. It was referred to by some as a shepherd's cabin. The site was selected by [[V. M. Slipher]], Director of [[Lowell Observatory]], for a pair of bristlecone pine trees oriented in a north-south line. These were cut as supports for the polar axle of the telescope. The telescopes, a {{convert|12|in|cm|adj=on}} reflector and a {{convert|15|in|cm|adj=on}} reflector, were constructed by Stanley Sykes of Lowell Observatory. The cabin housing the telescope was constructed by a local stonemason. The structure had a corrugated metal roof that could be rolled off to expose the telescope for observations. The observing site also had a small dormitory partially cut into the hillside east of the telescope, but only an indistinct depression remains. From 1927 until 1932, this was the highest astronomical observing site on Earth. This distinction passed to the Swiss in 1932, when they commissioned a slightly higher observing site on the [[Jungfrau]]. |
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The original purpose of the site was to make [[Spectroscopy|spectroscopic]] observations of planets, stars, and nebulae. The high altitude was necessary to exploit increased atmospheric transmission, especially in [[ultraviolet]] and [[infrared]] wavelengths. A similar telescope and roll-off structure were constructed at the Mars Hill campus of Lowell Observatory so that spectroscopic observations made at the two sites could be compared. The telescope at Mars Hill is still in service, and now mounts a {{convert|21|in|cm|adj=on}} reflector. The telescopes and polar axle from the Schultz Peak site still exist, and one of the bearing assemblies from the original roll-off roof has been retrieved from Schultz Peak as a possible future museum exhibit. |
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The Schultz Peak site also had a small dormitory partially cut into the hillside SE of the telescope, but only an indistinct depression remains. There was also a meteor observing structure built there by Cornell University in the 1930's. It was used in conjunction with similar structures tens of miles distant to map the trails of meteors from multiple sites to find the meteors' altitudes by measuring the parallax. Four scientific papers were published using data from the Schultz Peak site, making a strong argument for correcting the naming error and returning the "Schultz" and "Doyle" names to their original locations. |
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Between 1931 and 1933, the [[Harvard-Cornell Meteor Expedition]] under the direction of [[Ernst Öpik]], [[Harlow Shapley]] of Harvard, and [[Samuel L. Boothroyd]] of Cornell used Lowell's Schultz Peak Station as one of its meteor observing sites. They used the vibrating mirror technique developed by Öpik and Boothroyd to measure the velocity of meteors, and they recorded meteor tracks from two locations to compute the altitude of meteors by their parallax. The second observing site for a parallax measurement was originally near [[Bellmont, Arizona]], but was later moved to [[Padre Canyon, Arizona]]. In 1933, Boothroyd returned to test the new vacuum deposition technique of mirror coating that had recently been developed at Cornell University. This briefly made the telescope at the Schultz Peak Station the world's largest telescope coated by the new aluminization technique, which remains the preferred method of coating telescope mirrors. Several of the astronomers who used the Schultz Peak Station made important contributions to astronomy, and several scientific papers were published using data obtained at the Schultz Peak Station. |
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The telescope and polar axle were removed from the Schultz Peak Station in 1937 by V. M. Slipher and some of the junior staff of the Lowell Observatory. The facility was abandoned, and by the 1970s, the roof had collapsed from years of neglect and winter snow. |
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As of August 2016, the cabin on Doyle has been rebuilt to a functional state. All material was repurposed from what was on the mountain, other than nails and plumbers tape. The ridge beam and rafters were cut in place using dead trees from the top of the mountain. Unfortunately, Doyle Peak and Cabin were heavily affected by the Pipeline Fire in June 2022, and the Cabin has since been burned. |
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The telescope and Polar Axle were removed in 1937 by Dr. V. M. Slipher and some of the junior staff of the Lowell Observatory. Several of those junior staff members went on to make important contributions to astronomy. Dr. Slipher had already done so with his discovery of the Red Shift, the first evidence that the Universe is expanding. The Schultz Peak facility fell into disuse and by the 1970's the roof had collapsed from years of neglect and winter snow, which can completely cover it. It was reconstructed about then by hikers as a cabin, though maintaining it is an ongoing process. Many hikers and campers leave supplies and provisions in the cabin or use them when needed. If you visit look for a waterproof container with a log and other information. Also while you are there, note the two Bristlecone stumps that defined the location. They are near the centers of the north and south walls of the cabin, the northern one being considerably taller. The peak may be seen from Flagstaff as the rounded peak on the right. |
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==See also== |
==See also== |
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*[[List of mountains and hills of Arizona by height]] |
*[[List of mountains and hills of Arizona by height]] |
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{{reflist}} |
{{reflist}} |
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{{Mountains of Arizona}} |
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[[Category:Mountains of Arizona]] |
[[Category:Mountains of Arizona]] |
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[[Category:Landforms of Coconino County, Arizona]] |
[[Category:Landforms of Coconino County, Arizona]] |
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[[Category:Stratovolcanoes]] |
[[Category:Stratovolcanoes of the United States]] |
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[[Category:Extinct volcanoes]] |
[[Category:Extinct volcanoes of the United States]] |
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[[Category:Mountains of Coconino County, Arizona]] |
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{{Arizona-geo-stub}} |
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Latest revision as of 17:24, 15 April 2023
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| Doyle Peak | |
|---|---|
 Doyle Peak (left, flat top) and Fremont Peak from the east side of Agassiz Peak. | |
| Highest point | |
| Elevation | 11,464 ft (3,494 m) NAVD 88[1] |
| Prominence | 660 ft (201 m)[1] |
| Parent peak | Fremont Peak |
| Coordinates | 35°19′48″N 111°38′47″W / 35.3300087°N 111.6462717°W[2] |
| Geography | |
  Doyle Peak | |
| Location | Coconino County, Arizona, U.S. |
| Parent range | San Francisco Peaks |
| Topo map | USGS Humphreys Peak |
| Climbing | |
| Easiest route | Off trail hike |
Doyle Peak is a peak in the Coconino National Forest, and the fourth-highest peak in the San Francisco Peaks of northern Arizona. It is the sixth-highest named point in the state of Arizona, with an elevation of 11,464 feet (3,494 m).
History of the Doyle Peak and adjacent Schultz Peak
[edit] | This section is missing information about Doyle Peak. (August 2022) |
 |
A small structure was built to house a telescope on nearby Schultz Peak by Lowell Observatory in 1927. It was referred to by some as a shepherd's cabin. The site was selected by V. M. Slipher, Director of Lowell Observatory, for a pair of bristlecone pine trees oriented in a north-south line. These were cut as supports for the polar axle of the telescope. The telescopes, a 12-inch (30 cm) reflector and a 15-inch (38 cm) reflector, were constructed by Stanley Sykes of Lowell Observatory. The cabin housing the telescope was constructed by a local stonemason. The structure had a corrugated metal roof that could be rolled off to expose the telescope for observations. The observing site also had a small dormitory partially cut into the hillside east of the telescope, but only an indistinct depression remains. From 1927 until 1932, this was the highest astronomical observing site on Earth. This distinction passed to the Swiss in 1932, when they commissioned a slightly higher observing site on the Jungfrau.
The original purpose of the site was to make spectroscopic observations of planets, stars, and nebulae. The high altitude was necessary to exploit increased atmospheric transmission, especially in ultraviolet and infrared wavelengths. A similar telescope and roll-off structure were constructed at the Mars Hill campus of Lowell Observatory so that spectroscopic observations made at the two sites could be compared. The telescope at Mars Hill is still in service, and now mounts a 21-inch (53 cm) reflector. The telescopes and polar axle from the Schultz Peak site still exist, and one of the bearing assemblies from the original roll-off roof has been retrieved from Schultz Peak as a possible future museum exhibit.
Between 1931 and 1933, the Harvard-Cornell Meteor Expedition under the direction of Ernst Öpik, Harlow Shapley of Harvard, and Samuel L. Boothroyd of Cornell used Lowell's Schultz Peak Station as one of its meteor observing sites. They used the vibrating mirror technique developed by Öpik and Boothroyd to measure the velocity of meteors, and they recorded meteor tracks from two locations to compute the altitude of meteors by their parallax. The second observing site for a parallax measurement was originally near Bellmont, Arizona, but was later moved to Padre Canyon, Arizona. In 1933, Boothroyd returned to test the new vacuum deposition technique of mirror coating that had recently been developed at Cornell University. This briefly made the telescope at the Schultz Peak Station the world's largest telescope coated by the new aluminization technique, which remains the preferred method of coating telescope mirrors. Several of the astronomers who used the Schultz Peak Station made important contributions to astronomy, and several scientific papers were published using data obtained at the Schultz Peak Station.
The telescope and polar axle were removed from the Schultz Peak Station in 1937 by V. M. Slipher and some of the junior staff of the Lowell Observatory. The facility was abandoned, and by the 1970s, the roof had collapsed from years of neglect and winter snow.
As of August 2016, the cabin on Doyle has been rebuilt to a functional state. All material was repurposed from what was on the mountain, other than nails and plumbers tape. The ridge beam and rafters were cut in place using dead trees from the top of the mountain. Unfortunately, Doyle Peak and Cabin were heavily affected by the Pipeline Fire in June 2022, and the Cabin has since been burned.
See also
[edit]References
[edit]- ^ a b "Doyle Peak, Arizona". Peakbagger.com. Retrieved 2009-01-06.
- ^ "Doyle Peak". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 2009-01-06.
