I'm thinking Colorado, Utah or the Sierra mountains of California. This seems pretty high altitude 5000+ feet

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In a rich man's house there is no place to spit but his face.
Diogenes Of Sinope

Hint for the evening "canvas doors".

Appearances to the contrary, is this at trolley-car bridge (aka streetcar) - they used canvas because they were light duty and not freight haulers.

No probably not because it leads to the much more likely thought on my one track standard "guage" (lol) mind:
is this a passenger only rail line? Hence dining cars ... .?

No, not a trolley car. The nearest city that might have used trolley cars was several hours away by train.

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BOINC WIKI

Hint for the evening "canvas doors".

Tents have canvas doors.

Rail access to a mining camp or a summer tourist resort campground?

There were mining camps and summer tourist resorts, but the trestle was not abandoned because any of them were closed.

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BOINC WIKI

Is it East of the Mississippi?

Suddenly I'm thinking of the rail lines that the Union army tore up to cut the Confederate supply lines during out Civil War.

No, it is West of the Mississippi.

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BOINC WIKI

Did the ore run out?

Not the reason for the abandonment.

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BOINC WIKI

I'm thinking Colorado, Utah or the Sierra mountains of California. This seems pretty high altitude 5000+ feet

Yes, it is in one of those areas.

Yes, it is above 5000 feet.

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BOINC WIKI

I'm thinking Colorado, Utah or the Sierra mountains of California. This seems pretty high altitude 5000+ feet

Yes, it is in one of those areas.

Yes, it is above 5000 feet.

You already said "NO' to Utah and California, so that leaves Colorado.

Pike's Peak area?

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Donald
Infernal Optimist / Submariner, retired

I'm thinking Colorado, Utah or the Sierra mountains of California. This seems pretty high altitude 5000+ feet

Yes, it is in one of those areas.

Yes, it is above 5000 feet.

You already said "NO' to Utah and California, so that leaves Colorado.

Pike's Peak area?

I was wondering if someone would do the subtraction. Yes, it is in Colorado.

Pikes Peak is too far South.

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BOINC WIKI

Hint of the evening:

11000

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BOINC WIKI

Hint of the evening:

11000

No nibbles, so I will add some more
11160
11660
and
4

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BOINC WIKI

OK, for some more hints:

There is an Iron Horse, an Eagle, a Pioneer, an Eskimo, and a March Hare nearby.

James is close, and Evan is not too far away.

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BOINC WIKI

Jordanelle state park Utah shares something in common with the site in question.

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BOINC WIKI

Hint of the evening:

11000

No nibbles, so I will add some more
11160
11660
and
4

No nibbles, so I will add some more
11000 feet
11160 feet
11660 feet
and
4%

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BOINC WIKI

It is easier for a camel to pass through the eye of a needle than it is for a rich man to get to heaven.

On that RR, going westbound, the camel would pass through the eye of the needle before the rich man got to heaven, anyway.

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BOINC WIKI

did this site become a dam or resivor and now underwater or filled with water?

I have three questions about this one.

What is it (should be very easy)?
Where is it (be very specific please)?
Why is it abandoned (might be kind of difficult)?

This is a photo of the Rollins Pass Trestle which was the highest railroad pass in America. Specifically Riflesight Notch. Beneath the trestle was Tunnel 33 which has collasped and is no longer actually visible.
It is located between mile posts 231 and 232 off Highway 40 south of downtown Winter Park, Colorado
It was abandoned because of numerous tunnel collaspes and fires which destroyed the snow sheds on the sides of the tunnels.

To be more specific on location.

Riflesight Notch, Nederland, CO
N39 53 56.93
W105 42 28.99

did this site become a dam or resivor and now underwater or filled with water?

No. I have taken a very similar picture very recently.

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BOINC WIKI

I have three questions about this one.

What is it (should be very easy)?
Where is it (be very specific please)?
Why is it abandoned (might be kind of difficult)?

This is a photo of the Rollins Pass Trestle which was the highest railroad pass in America. Specifically Riflesight Notch. Beneath the trestle was Tunnel 33 which has collasped and is no longer actually visible.
It is located between mile posts 231 and 232 off Highway 40 south of downtown Winter Park, Colorado
It was abandoned because of numerous tunnel collaspes and fires which destroyed the snow sheds on the sides of the tunnels.

You are slightly wrong about why it was abandoned, but you have the location perfect.

It was abandoned for all of those reasons, but it was kept running until the replacement was built. The Moffat tunnel is 6 miles long and tunnels under James Peak to the north of Corona (the high point of Rollins Pass). In addition, there was a great deal of trouble keeping the track open in winter due to the deep snow at 11660 feet elevation at the top of the pass. The trestle at rifle site notch is at 11160 feet and the photographer is standing at about 11000 feet elevation. The maximum grade on the line was 4$. The grade out of Denver is 3$ to 4% for 35 miles. The Engineers called it hell hill for the conditions in the cab after keeping the train moving up this grade for several hours against a wide open throttle (hence the reference to the firemans shovel). The first winter while the Winter Park side was under construction was fairly bad, and reprovisioning trains were prevented from reaching the track crew by dozens of feet of snow in the pass. The track crew would have starved if it had not been for the efforts of the people of Winter Park that got wagon loads of food up to them. It was still a pretty grim winter.

The eye of the needle tunnel is a mile or two down the East side of the pass. The eye of the needle is currently in the process of collapse, and is closed to traffic. Corona is the highest main line RR ever built and operated in the continental US.

The Moffat tunnel has a ventilation system capable of coping with the smoke and steam from a string of coal fired engines. There is a big fan at the Denver end of the tunnel, and to keep the air from just blowing back out of the near end it is covered by canvas doors that open 8 seconds before the train exits the tunnel. Occasionally they would not open in time, and the canvas toors did no damage to the entines.

Most of the names listed in one of my hints are ski runs across the valley in the winter park ski resort. James refers to James Peak, and Evan refers to Evans Peak some 30 or 40 miles to the south (where we had the picture of the observatory).

Take it away weasel.

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BOINC WIKI

Well not to be rude or anything but I just don't have the time to play the game so I will allow you to give my turn to another worthy player. Thanks for the pleasure of the chase but just don't have the right amount of time to come up with a good photo and keep the questions answered.

Thanks again.