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Showing posts sorted by relevance for query sheep. Sort by date Show all posts

Wednesday, October 9, 2013

A Rural Milestone

 Out in the rural parts of this country, especially the rural parts that have livestock, cattle guards are a common occurrence. The cattle guards are essentially metal slats placed on a concrete foundation above a hole in the ground. They deter the cattle (and sheep) from crossing, but allow vehicles to easily cross.

For kids, they provide an obstacle course. Can they get across without their little feet slipping between the spaces? After they've done it a few times, it turns from fear into fun, and they look forward to crossing the cattle guards. It's a way to show that they're getting big, and every little kid seems to want to be a big kid right now.


Desert Girl loves cattle guards, so I wanted to get a couple photos of her simple pleasure!

When was the last time you walked across a cattle guard?

Saturday, August 31, 2013

Destination: Angel Lake near Wells, Nevada

 One of Nevada's many mountain ranges is the East Humboldt Range, a 30-mile long range in the northeastern part of the state near Wells, Nevada. We decided to make it part of our July trip, largely because the 12-mile Angel Lake Scenic Byway (Nevada Highway 231, seasonally open) goes right up to Angel Lake in the Humboldt-Toiyabe National Forest.

 The stormy weather didn't deter us as we climbed several thousand feet from the valley to the 8,379-foot elevation lake. Before the road gets really steep and windy is the Angel Creek Campground, which would be a good destination for those with bigger vehicles (like RVs). The Angel Lake Campground awaits those with smaller vehicles at the end of the road. There's a $5 parking fee at the end of the road for those who want to get out of their vehicles and check out the lake and/or picnic.

Lake Dimensions. The road takes you to within fifty feet of Angel Lake, named for Warren M. Angel of nearby Clover Valley. The lake covers 13 acres with a maximum depth of about 35 feet. A dam was added to the lake by early settlers to increase its capacity for irrigation.


Fish. The lake contains brook trout, rainbow trout, tiger trout, and speckled dace. According to the Nevada Department of Wildlife website about Angel Lake, about 4,800 rainbow trout are stocked during the summer. Creel surveys show anglers catch about 1 to 2 trout per hour, with a limit of five per day. Fish size is generally 8.5 to 11 inches.

My husband and kids decided to try their luck fishing, which is one of the most popular activities at the lake. I was ready to stretch my legs after the long car ride and set out for a hike around the lake.

Glaciology. Angel Lake is a tarn, otherwise known as a mountain lake formed in a cirque. A glacier once stood hundreds of feet high here, flowing down towards the valley below. (On the day we visited, the sky was hazy and the storms made it gray, so it was hard to see down to the desert below.)

One of the coolest things about visiting Angel Lake was thinking about the glaciers. The last glaciation in the Great Basin was called the Angel Lake glaciation, with the type locality being right where we were standing. Researchers Ben Laabs, Jeff Munroe, and others have conducted cosmogenic 10Be surface-exposure dating of boulders in the area. By studying the dates of how long boulders in moraines have been exposed, they've concluded that the end of the Angel Lake glaciation was 19,300 years ago, give or take 1,000 years. This was the same time that the Laurentide Ice Sheet was retreating. This was also before glaciers in the Sierra Nevada and Wasatch mountains retreated, and before the huge pleistocene Lakes Bonneville and Lahontan had reached their zenith. What does this timing mean? The researchers say that more research is needed.


Wildflowers. What comes after the glaciers leave? Pioneering plants like the bright fireweed (Chamerion angustifolium),  one of my favorite flowers. Fireweed likes to grow in areas that have been disturbed by  fires, avalanches, glacial retreats, and more. It likes lots of sun and can grow quickly.

Many other wildflowers were in abundance. The flora in the East Humboldts and nearby Ruby Mountains are similar to that in the Wasatch Mountains in Utah.

 And with plants come animals, like this beautiful blue butterfly.

 Wildlife. A couple rock wrens hung out with me as I took photos.

Probably the best-known birds on the mountain range are introduced Himalayan Snowcocks. They apparently are most-often found around Hole-in-the-Mountain peak, the highest peak of the range at 11,306 ft. The range also has bighorn sheep (with 20 reintroduced in February 2013), introduced mountain goats, mountain lions, mule deer, bobcat, coyote, and more.

Lakes and Hiking. Although Angel Lake is the most easily accessed lake in the East Humboldts, it's not the only lake. I was a bit surprised to find that the range has many more lakes, including Smith Lake, Greys Lake, Winchell Lake, Boulder Lakes, Lizzie's Basin, and Steele Lake. You can access some of them on the two main hiking trails: a four-mile hike to Winchell Lake that begins at a trailhead below Angel Lake on the paved road; and a 25-mile hike that begins at Angel Lake, goes around the north end of the range to Greys Lake 5 miles away on the west side, and then continues along the west side to Ackler Creek (11 miles) and Boulder Lake (18 miles).

To find out more about hiking to some of the other lakes, check out the details on this informative website about hiking in East Humboldts (and Rubies).
As often happens in the mountains, the storms passed and the sun came out, brightening the carpet of wildflowers. I was particularly impressed by the display of wildflowers, even though we were just at 8300 feet. The latitude and higher precipitation allows for a lower timberline and overall lower elevation for wildflowers that I expected to see at higher elevations.

Wilderness.  A quick note on wilderness: although you can drive to Angel Lake, most of the rest of the East Humboldt Range is accessible only by foot or horseback. In 1989, 36,000 acres were designated as the East Humboldt Wilderness.

Geology. The mountains rising above Angel Lake look beautiful, with Greys Peak at the top of the photo above at 10, 674 ft. The East Humboldt Range is a metamorphic core complex, meaning that the older rocks have been pushed up and are exposed instead of being overlain by younger rock layers. This allows you to look up from Angel Lake and see some of the oldest rocks in Nevada: 2.5 billion year old gneiss. How cool is that to see rocks so old from a lake that is not so old (at least geologically speaking!).

Lake core. The sun also beckoned an angler to go out in his float tube. That would be a really fun way to visit the lake! Researchers have taken a raft out on the lake to retrieve a sample of the bottom (a sediment core) to study the past climate of the area over the last 7,000 years. They were able to see ash from the Mount Mazama explosion (the one that created Crater Lake in Oregon). They also learned quite a bit more, which you can read about here.

 When I got back to the dam (probably a leisurely 45-60 minutes after I had set out around the lake), I found the angling success wasn't so good for my family.

 But the kids sure did have fun getting in the chilly water!

I'd like to go back to Angel Lake and the East Humboldts and check out more of the beautiful scenery.


 And if we time it right, we may make it again for the drag races in Wells.


Ah, you've got to love the desert!

I couldn't find much information about Angel Lake when we set out to go there. Hopefully this compilation will help those who desire to know more. And if you know of other websites about Angel Lake, please leave a comment! Thanks!

Sunday, August 4, 2013

A Trip up Mount Washington

Ready for a road trip? We're going to head up the west side of the South Snake Range to Mt. Washington in Great Basin National Park. It's a long trip (and a long post), but it's worth it! The road goes nearly to the top of the mountain, but the road is not the easiest to drive. Think switchbacks that are so steep you have to do three-point turns to go up some of them. This is a section my dad would rather get out and walk. (Dad, you have to come visit sometime in summer so you can see for yourself!) 

The trip starts from Nevada Highway 894 (a spur off US Highway 93 in Spring Valley),  opposite from the Pickering Ranch. The unmarked gravel road goes up the bench (in other places it would be called the alluvial fan), crossing from sagebrush to pinyon and juniper. Up in the pinyon-juniper, the road starts switchbacking, but is still passable to passenger cars up to the Pole Canyon adit of the Mount Wheeler mine at 7850 feet. The adit is over a mile long. Water flows out from the entrance (see photo above), but I've heard that it contains heavy metals so isn't recommended for drinking.

This beautiful swallowtail was enjoying the coolness of the water.

Several structures still stand from when this mine was in action, in the late 1940s and 1950s. Beryllium and tungsten were the primary targets. (You can find more information in Chapter 20 of Great Basin National Park: A Guide to the Park and Surrounding Area--link in the sidebar to the right).

From the adit, the road becomes much more of an adventure. It was made as a jeep road in 1948. High clearance and four wheel drive are required. A chainsaw wouldn't be a bad idea, as we didn't get too far up the road until we found this:
We didn't have a chainsaw. Or a handsaw. Or a hatchet. But fortunately there were three of us, and through brute strength we were able to roll that tree off to the side of the road.

Then came the numerous switchbacks. I was busy driving so didn't manage to get any photos of them. I don't know if you could capture them well on photo--they are definitely an experience!

A bit further on we reached the small sign informing us that we were entering Great Basin National Park. The road crosses the park part of the time. The other time it's on private land owned by LongNow, a foundation interested in the very long perspective. (See their website for more.)

From up on the cliff we had super views of the switchbacks we had just traversed, Spring Valley, and the Schell Range.

Located along the cliff edge were bristlecone pines. Bristlecone pines are a great way to think of a longer perspective. Needles stay on the trees for 40 years. The harsher the climatic conditions, the longer the tree grows--one was found nearby that was about 5,000 years old (and then it was cut down, but that's a story for another day).

There's a lot of concern about bristlecone pines and other five-needle pines due to the combination of mountain pine beetle (MPB) and white pine blister rust.  MPB is a native beetle that has benefited from climate change. In some areas, instead of completing one life cycle in two years, it may do it in just a year. That means lots more beetles, and all those beetles need something to eat. As they eat the trees, the trees die. In normal years, a few trees die every year from MPB. When epidemics occur, and MPB beetle populations are especially high, nearly entire forests can die, although MPB generally just attacks trees greater than six inches diameter, so at least the young trees are spared.

However, the non-native white pine blister rust is spreading. It can attack trees of any age and kill them. Some trees are naturally resistant, but those trees may still be susceptible to MPB. It's a nasty one-two punch that has nearly wiped out whitebark pine (Pinus albicaulis), the predominant tree near treeline in the northern Rockies. In some areas, more than 90% of the population has been decimated, and the tree was petitioned for listing under the Endangered Species Act. The U.S. Fish and Wildlife Service declared it warranted but precluded in 2011, meaning that it deserves protection but that the staff and money don't exist to do that. In Canada, it's been listed as endangered.

What about the bristlecone pine? Could it suffer such a fate? That's not known. For now, some proactive measures are being taken. A number of seeds were collected several years ago and are being tested for white pine blister rust resistance at the Dorena Genetic Resource Center. The main test takes seven years. If the tree shows resistance, more seeds can be collected to protect the genetic material, and if needed, help restore populations. But what happens if mountain pine beetle attacks the tree during those seven years, and the tree's not around to produce more resistant seeds? That's where our trip came in. We were putting pheromone pouches containing the chemical verbenone on the selected trees. Verbenone is what the mountain pine beetles send out to tell other beetles that the tree is full. It basically is the "Stay out, we're full," signal. If MPB populations aren't too high, the beetles are tricked and stay away. If they are high, nothing can really be done. But we do what we can, in the hopes that we can help this majestic species.

The trees we were visiting were scattered, which meant we had more higher up the mountain.
Further up the road, we took a side trip to some historic cabins. These were made by miners. Guess what trees they used. If you guessed bristlecones, you're right! These bristlecones are taller than the really old ones, mostly due to a gentler climate--not as much wind.

You can tell that the cabins are really old by the construction style. They didn't use nails to put these logs together--they built these cabins lincoln-log style.

Oops, I got distracted by a pretty penstemon with a pollinator in it.

Did the miners get distracted by the flowers? It must have been quite a hard life to get up there and then mine at such a high elevation. Then they had to get the ore off the mountain. One account says that they waited for winter and used toboggans to get the ore down.


Near the cabins is a thick metal cable. It goes down into the canyon. I decided to see what it was connected to up on the mountain.

First I found a huge pulley, probably ten inches in diameter, up high in a bristlecone. The chain holding the pulley in place is starting to get overgrown in the tree. This pulley appeared to help get the cable up high in the air.

Further uphill was the attachment point, the cable running around the base of a bristlecone. It's been there so long the cable is part of the tree now. I feel a little bad for the tree.

We got back in the truck and headed up higher.
Our next stop was to look at the Nevada Climate-Ecohydrological Assesment Network (NevCAN) weather station. This is a network that goes across the Snake Range and up one side of the Sheep Range in Nevada. You can look at real-time data and photos from the cameras at the link above.

The views kept getting better and better as we ascended. Finally we reached the end of the road and had to travel the last part of the way up to the summit of Mount Washington on foot. It was good going on foot, we had time to absorb the beauty around us.

These dainty Erigeron looked bright and cheerful with their yellow and white coloring.

A knob of wind-eroded wood made me consider the bristlecones that used to grow at this elevation, which is now above treelike.

The Colorado Columbine (Aquilegia caerulea) made a striking appearance.

I wasn't the only one being held captive by the diminutive but colorful flowers!

Soon we could see north towards Wheeler Peak. It's so interesting how the colors change. Wheeler , Jeff Davis, and Baker Peaks are all made of metamorphic rock, the Prospect Mountain Quartzite. Closer we start getting into granites, and then closest, with the grey rock is limestone.

We had to pause for a few photos.
Aileen's first visit to the summit of Mt. Washington.

Looking northeast towards Steve, with a view of the Snake Creek drainage and Eagle Peak behind him (another limestone area with bristlecones).

Looking west towards me, with Spring Valley and the Schell Range in the background.

The view to the east takes in the North Fork Big Wash. The day was a bit hazy, so we couldn't see Snake Valley or the next mountain ranges very well.

Then it was time to head down the mountain.
We paused to check out some trees that had burned during the 1999 fire. The fire had burned up into bristlecones. We're not certain what the effect might be to the bristlecone community, but the fire certainly has opened up a lot of habitat to bighorn sheep, which are being tracked periodically with collars.

The afternoon light was magical, and I couldn't help but take a few more photos.

I noticed a younger bristlecone tree. Here's the next generation!

This striking three-foot tall plant with four-petaled green flowers is green gentian or elkweed (Frasera speciosa).

In contrast, here's the tiny dwarf alpine paintbrush (Castilleja nana), with a bee pollinating it. Note the orange pollen on the hind legs of the bee. This has been a busy bee!

The stunning sego lily (Calachortus nuttalli) with a pollinator. 

It's a long drive back down the mountain, but with great views along the way.

It's worth the trip!
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