August 11-17, 2021

This cache hadn’t been found since 2017. You can see the Jeep in the center of the photo and Dave toward the lower left.
The snake-like hill is an esker, a ridge of sand, gravel, and cobble caught up in a river flowing under a glacier.
Most of the roadside rock in this part of the country is basalt, so this sunlit granite was a welcome change.
Jane really likes this selfie Dave took for a cache.
Rocks and moon
Caves formed when floodwaters flowed past these basalt cliffs and tore off chunks of rock.
Geologists describe several features in cliffs like this one. Entablature is the top of a layer of basalt. Its irregular joints formed during rapid cooling. It is more resistant to erosion than the layer below it that holds colonnades–columns. Talus is found below the colonnades where eroded rock fragments accumulate at the base of a steep slope.
This photo shows several layers of entablature, colonnades including a cave, and talus.
Steamboat Rock on Banks Lake

We’ve looked for (and sometimes found) caches in areas burned in last summer’s forest fires.

Site of a shelter
We found this fire-damaged cache container on the ground. The log is still inside but it’s smoky and very brittle.

Dry Falls

Dry Falls was formed after ice dams collapsed during the last Ice Age about 13,000 years ago. The falls were three and a half miles wide, five times the width of Niagara Falls, and 400 feet tall.

Artist’s conception of Dry Falls during the last Ice Age
Dry Falls today
The lakes downstream from Dry Falls are formed from ground water.
When we took this picture, the sun was setting on Banks Lake, a 27-mile long reservoir created as part of Grand Coulee Dam’s strategy to facilitate irrigation in the area.

Categories: Travel

2 Comments

Susan · August 24, 2021 at 11:59 am

So which was the cache you found and exactly where for the one not found since 2017? If anybody can find one it is you two. Love the last picture with the sun reflection. I would have loved to have seen this area when the water was flowing but it is still spectacular views!

    Jane Appel · August 24, 2021 at 1:48 pm

    The cache was in an ammo can hidden in a crevice under some rocks just to the right of where Jane was standing. The logs didn’t show anyone had even looked for this cache!

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