DryStoneGarden

Sagebrush Country

Most of my time on the eastside, I was camped on the edge of the sagebrush sea that stretches from the Sierras across the Great Basin to Utah. It was a good opportunity to get to know that plant community. I’ve seen it and driven through it and even planted the namesake plant, Big Sage aka Great Basin Sage (Artemisia tridentata), in several gardens including my own, but I hadn’t really camped or hiked or spent an extended amount of time in it. It’s an interesting plantscape. Flat for the most part, with almost no trees, and the soil is loose and sandy and not for any plant that needs to be well fed or water-fat. The sun is strong, even though the actual temperatures stayed moderate because of the altitude, and there was almost always wind, especially in the evenings because I was at the base of a mountain. There were monsoon rains a lot of the time I was out there, storm clouds building during the afternoon and then briefly dropping rain somewhere on the landscape, frequently with a double or triple rainbow somewhere. Rains were still T-shirt weather, and the high desert smelled amazing afterwards. Sagebrush is one of those smells that evokes an entire landscape.

Snowberry, Bitterbrush, Sagebrush

Most of what you see of the sagebrush in the photo is actually its bloom stalks. Sagebrush is wind-pollinated, so it doesn’t need a big, showy flower and it doesn’t care about attracting pollinators. The foliage is beautiful enough to make up for the lack of flowers, though. We made a tea with it one night and seasoned potatoes with it on another, and it smells nice in campfires or as smudge sticks. I usually think of silver foliage as an accent or contrast for green foliage, but silver is the dominant color in sage country and it is the greens that act as compliments.

Blazing Star, Mentzelia

A few other plants — Blazing Star, Prickly Poppy, and Sulfur Buckwheat — provided the showy flowers. The spiny, weedy foliage of the blazing stars and prickly poppies would probably keep them out of most gardens, but their flowers are fantastic.

Blazing Star, Mentzelia

Prickly Poppy, Argemone

Prickly Poppy, Argemone

Sulfur Buckwheat, Eriogonum umbellatum

Sage at Convict Lake

“The Sagebrush Sea (scientifically known as “sagebrush steppe”) covers approximately 110 million acres of the American West, making it one of the most extensive landscapes in North America. The heart of the Sagebrush Sea is shaped by the Columbia River Basin, the Great Basin, the Wyoming Basin and the Colorado Plateau.” More info, including details about conservation efforts and some cool maps, can be found at SagebrushSea.org.

Sagebrush Sea, from SagebrushSea.org

Devil's Postpile National Monument

Probably the most striking geological feature on the eastside, an area full of geological features, is the Devil’s Postpile, one of the world’s best examples of columnar basalt. Columnar basalt is one of those natural elements that looks unnaturally geometric. It forms when it lava cools very, very slowly and evenly. The lava starts to contract and then crack, and because it cools so evenly the cracks form into hexagons, the most stable and efficient shape. As the Park Service page about the formation of the Postpile explains, “a hexagonal system provides the greatest relief with the fewest cracks.” (Bees use the same hexagonal system in their honeycombs because it forms a matrix with the largest amount of storage space for the least amount of wall.) Devil’s Postpile isn’t the only place where this has happened — the Wikipedia entry has links to many other columnar basalt cliffs, and pieces of columnar basalt regularly show up at stoneyards in the Bay Area –but the columns at the Devil’s Postpile are especially long and regular.

The Devil's Talus

The base of the cliff has the world’s coolest talus in my opinion. My crew was so well trained/indoctrinated that their first comment was how great these pieces would be for building steps. The park service doesn’t even let you climb on the talus, though, let alone build with it.

The Devil's Patio

Possibly the best part is that a glaciar carved off the top and made a natural patio.

The Devil's Paver Pattern

It’s uncanny how much they look like rough-cut natural stone pavers. Hexagons are stable because three joints come together at every vertex, making for a nice oblique 120 degree angle. The park service says that at Devil’s Postpile 55% of the pieces have 6 sides, 37% have 5, 5% have 7, and the remaining 3% have 4 sides or fewer. That’s a high percentage of hexagons compared to other sites in the world.

The Devil's Grading

The grading is a bit extreme on parts of the patio.

Surprisingly Comfortable

Ahhh, nice, soft basalt. My crew never saw a flat surface that couldn’t be slept on.

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Sierra Lily, Lilium kelleyanum

I was up in the east side at a great time for wildflowers. One area that really impressed me was at Agnew Meadows in Devil’s Postpile National Monument. In one place — a boggy meadow beside a stream — I counted a dozen different wildflowers in full bloom within a twenty foot radius, and I was impressed at how well the colors all complimented each other, purples and blues contrasted with yellows. I saw the same flowers growing together in various combinations at many of the other meadows and streamsides in the monument and in the national forest, but because they were all present at once in Agnew I started to think of them as the Agnew Meadows wildflower mix, as if it were a seed company’s wildflower packet. For a moist cottage garden at high elevation, I reckon you couldn’t do much better.
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Rock Step 'Clancy'

Instead of a bridge, my crew spent most of our time building rock steps, primarily on Duck Pass Trail in the Mammoth Lakes basin.

Arrowhead Lake

The trail to Duck Pass is one of the area’s quickest routes up into the high country, so it gets a ton of usage. The first section is a series of steep dusty switchbacks through lodgepole pine forest, but then you’re up in granite country the rest of the way to the pass. Arrowhead Lake is only a mile and a half in, with a fifteen foot high rock to jump from (unbelievably refreshing after a day of moving rock, jump at your own discretion), and then Skelton Lake’s another mile and Barney Lake’s another mile after that.

For some reason, this trail somehow became THE TRAIL for cross-country running teams from Los Angeles. Every day, we would have entire high school and college teams run through our work site, forty or fifty runners at a time, once on their way up and then again on their way back down an hour or two later. I’d never worked on such a popular trail. It was frustrating to have people constantly walking through our work site, but then, on the other hand, I’ve never had so many people thank me for anything I was doing. Literally hundreds of people thanked us. A much used and much loved trail.

High Timber Step

The trail is slowly evolving into a giant staircase. Because it’s a steep trail, gullies form and then steps are installed to try and control the gullies. The steps hold the tread in place on their uphill side, but then the downhill side of each step slowly erodes and it becomes necessary to add another step in front of it, which inevitably needs another step in front it, and so on. My crew spent the bulk of our time building new steps in front of the steps that past crews had built, and future crews will no doubt build more steps in front of ours. At times it felt a bit sisyphean.

Rock Step 'Bigeasy'

The steps we built are western trail steps, designed for horses and mules. Each step is supposed to be 4-6 feet long so that a horse can have its front and back legs on each step before stepping onto the next one. This step, Bigeasy, we actually sited even further in front of the timber step above it because that step is overly close to the next step above it. When that timber step inevitably rots out and needs to be replaced, it can be relocated a couple of feet forward and then all three steps will have proper spacing.

'Bigeasy' in transit

Finding the rock, aka rock-shopping, is probably the most enjoyable part. Moving it to the work site is often the biggest chore. Did I mention Sisyphus?

Rockbar Power Activate!

You do develop a good sense for the shape and size of each rock as you roll or skid it through the landscape, though. We gave names to most of the big ones. Basically, if you found the rock and spent enough time wrestling with it, if it was big enough and gravity-enfused enough, then it became ‘your’ rock and you got to choose a name for it. Names were usually descriptive, but sometimes random. For instance, Clancy (a big one fit snugly between Elton and John) was named after a forest service guy who had his macho turned up to eleven. Mammoth was an early 500 pounder. Bigeasy was surprisingly painless and easy to move. P.I.T.A. (Pain-in-the-Ass) was the opposite. Melon was low-hanging-fruit. Quickie was finished quickly. The macho, male names of our early rocks led to a series of less macho names, Howard and Jeffrey, then Fabio (very handsome), then Buttercup, Jewel, and Pearl. Showtime, the Three Musketeers, Mastodon, Alligator, and Shitzy round out the list, the last of the names I remember. A few of those steps and the view from near the top of Duck Pass are below. (more…)

Gadbury bridge with one post

The project that helped lure me into leading a crew for the Inyo National Forest last month was to build a bridge. Unfortunately, bureaucracy happened. The wilderness supervisor had wanted and planned for a native bridge (built with trees and rocks gathered at the site, pretty much the coolest project you can do on a trail) but then the higher ups mandated a strength that could only be achieved with glued laminated lumber. By the time the engineers, hydrologists, trail managers, and everyone else got on the same page and agreed on a design, it was too late in the season to get the specified materials and build it. So, no bridge; my crew spent the month building rock steps and waterbars, instead.

Gadbury bridge at Barney Lake

A couple of members of my crew did help another crew built this Gadbury bridge at the outlet of Barney Lake on the Duck Pass Trail. The classic Gadbury is a log split in two and put side by side so the fat end of one half is fit against the skinny end of the other, equalizing the width, though this bridge here is a lodge pole pine cut in half, instead of split, with the tops chiseled to make a flat surface. A wrap of wire set in a groove at each end holds the logs together, and the ends of the bridge sit on rock sills so they won’t rot as quickly as they would on dirt. Quick and easy to build, and solid to walk on. The SCA blog has a 60 second slideshow/video of a crew building one, makes me jealous. The video goes pretty fast, but you can see the process of putting together the abutments, the stringers, and the railing’s joinery.

bridge at Garnet Lake

bridge at Garnet Lake

This is what I was expecting to build from the initial project description. It uses two big logs, canted on the sides to fit flush together.

bridge at Garnet Lake

Pretty good if the bridge has been there since 10/63. The posts are newer, set with bolts, and the rails fitted together with lap joints.

bridge at Thousand Island Lake

bridge at Thousand Island Lake

There’s something really pleasing about a rustic bridge. I’m still going through the photos of the rock structures that my crew built when the bridge got postponed. I’ll probably post some of them soon.

— Update — Through the magic of blogging, I now have a photo of the Barney Lake bridge under construction with the old bridge beside it. Thanks BruceinPA for sending the photo.

bridge at Barney Lake