Camp Consultant App-Grand Canyon (was GC0000-0010) - Page 5 - Mountain Buzz
 

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Old 1 Week Ago   #41
 
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Grand Canyon Camps 070-080

Attached are sunrise-sunset graphs between miles 70 and 80 for the Grand Canyon. The spreadsheet summarizes the camps and has hyperlinks for immediate access to birds-eye and river view of the camps in Google Maps.
Attached Files
File Type: pdf GC070-080.pdf (933.4 KB, 8 views)
File Type: pdf Spreadsheet070-080.pdf (19.1 KB, 6 views)

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Old 1 Week Ago   #42
 
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Grand Canyon Camps 080-100

This is how it is fleshing out.....

Twenty miles per page.

Inclusion of rapids and their current and historic considerations(blue).

Significant stops(red).

Camps green now including a column for sunrise and sunset estimated at three critical times to the nearest significant half hour.

Camps, rapids and significant stops hyperlink to Google Maps plan and river views.

And More.
Attached Files
File Type: pdf GC080-100.pdf (1.36 MB, 7 views)
File Type: pdf Spreadsheet080-100.pdf (31.8 KB, 7 views)
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Old 1 Week Ago   #43
 
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Data 080-120

This release is for 40 miles between mile 080 and 120.

Checking out how efficiently larger files scroll during web viewing and on cell phone.

In the spreadheet, for sunrise/sunset read a preceding "-"(minus sign) as before the hour indicated by as much as a half hour. Read a preceding "+"(plus sign) as after the indicated hour by as much as a half hour. Read and indicated hour with no plus or minus as the indicated time plus or minus ten minutes. This nomenclature, for now, is a tidy expression of a sunrise/sunset within a 20 minute window. For example a sunset time of; "-3" indicates a time between 2:30pm and 2:50pm; "3" indicates a time between 2:50pm and 3:10pm; and, "+3" indicates a time between 3:10pm and 3:30pm.

In the spreadsheet, I converted afternoon times to pm abandoning the 24 hour clock because very few people think on a daily basis in "military" time, perhaps especially on the river. I frequently work in "military" time but even now find myself doing a mandatory mental conversion to am/pm time when considering sunrise/sunset.

In the spreadsheet, rapids include a full historical accounting of rating. The Rivermap rating is in columns Size and Quality. Following the rapid name is the Stevens, Belknap and BYU Guide rating. This historical accounting provides a better understanding of rapid variability dependent on flow and the passing of decades. The BYU Guide dates to ratings by the original river runners of the 1950's and 60's(Modified from Jones 1962). The Belknap rating is from an early edition dated 1969 and updated through the 1970's. The Stevens rating is from a third edition dated 1983. Proper acknowledgement of Stevens, Belknap and the BYU guide will be included in the bibliography.
Attached Files
File Type: pdf GC080-120.pdf (2.88 MB, 13 views)
File Type: pdf Spreadsheet080-120.pdf (56.5 KB, 6 views)
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Old 1 Week Ago   #44
 
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BIBLIOGRAPHY

Belknap, Buzz; Grand Canyon River Guide, Westwater Books, Boulder City, NV, 1969.

BYU Guide by Hamblin, W. Kenneth and J. Keith Rigby: Grand Canyon River Guide, Book I, Dept. of Geology, Brigham Young University, Provo, UT, 1969.

BYU Guide by Hamblin, W. Kenneth and J. Keith Rigby: Grand Canyon River Guide, Book II, Dept. of Geology, Brigham Young University, Provo, UT, 1969.

Martin, Tom and Duwain Whitis; Guide to the Colorado River in the Grand Canyon, Vishnu Temple Press, Flagstaff, AZ, 2019.

Stevens, Larry; The Colorado River in The Grand Canyon, Red Lake Book, Flagstaff, AZ, 1983.
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Old 17 Hours Ago   #45
 
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Quote:
Originally Posted by GeoRon View Post
Next river!?!?!?!

Hadn't thought about it much yet.
I've thought about it now.

Substantial programming over the last week addressed the question of future rivers. The programming streamlined and tightened the concept of tight coordination with the amazing guidebook series "Rivermaps".

I must admit I have had to "adjust" coordinates of a few camps to reality but the guidebooks and Rivermap gpx files are for(most) practical purposes precise.

Perhaps the next project will be the Main Salmon as requested by Nubie Jon but my campsite notes there are spotty and the lack of Google river level views tend to steer me to do the Yampa next.

My current programming however tends to allow(before death) all Rivermap guide rivers.

Hence, wrapping back to mile zero with above considerations are Grand Canyon mile 0 to 40,,,,,,,, tomorrow cause screwed up.
Attached Files
File Type: pdf GC0000-0040.pdf (52.6 KB, 2 views)
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Old 5 Hours Ago   #46
 
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Attached are miles 0 to 40.
Attached Files
File Type: pdf GC000-040.pdf (2.70 MB, 1 views)
File Type: pdf Spreadsheet000-040.pdf (52.6 KB, 1 views)
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