Before May 18, 1980, Mt. St. Helens, a stratovolcano in southern Washington State, looked like many of the other high peaks in the Cascade Volcanic Arc: conical, steep, and snow-covered. But after that day's eruption, which moved nearly a cubic mile of debris from the peak down to the Toutle River and Spirit Lake, the landscape was grey and dead for miles around. The mountain lost 1300' of elevation, and the top became a crater a mile wide. The area was made a U.S. National Monument in 1982, hikers were allowed back on the summit in 1986. Though forests were knocked down and covered with grey ash and pumice, vegetation has made a surprising and resilient recovery, making the valley glow green in spring.
This model shows the post-eruption terrain, with its unmistakable open-sided crater and lava dome. In addition, hikers will recognize the top portion of Monitor Ridge and Shoestring Glacier. Other features on this model are Crescent Ridge and the head of the South Fork of the Toutle River to the West, part of Studebaker Ridge to the North, and Windy Pass to the Northeast. Simply put, two-dimensional maps cannot convey the magnitude of the eruption, but holding this piece in your hands, you just might begin to understand.
Model scale is 1:46700
Model measures 5.9" x 5.9" x 1.68" (15 x 15 x 4.3 cm)
Original area is approximately 4.4 by 4.4 miles
Altitudes covered: 3250' to 8337'
There is no vertical exaggeration applied to this model. This is a true-to-life scale model of a real place.
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TinyMtn models are most affordable in the "White Natural Versatile Plastic" and "Sandstone" materials. This model is in "White Natural Versatile Plastic." When you receive the model, there may still be Nylon dust on it from the printing process. Use either an airbrush, canned dust blower, or a soft old toothbrush to remove this dust. Do not get the "Versatile Plastic" material wet, and don't prime it or use any oil-based paints on it. You can safely seal it with Polycrylic or a similar water-based clear spray sealant. Read more about this popular material here
The "Fine Detail Plastic" material will show more detail, but is semi-transparent and has an uneven surface texture when unpainted (due to the orientation of the model when Shapeways prints it). It may show up feeling a little greasy and with small crystals in crevasses. Clean those off by soaking the model in warm (but not hot) soapy water and brushing with an old toothbrush. To get the surface to an even matte finish, spray with a few light coats of sandable primer (white automotive primer works), and then do a baking soda grit-blast.
All TinyMtn models have hollow bottoms - this is to save on weight, and thus cost. Many larger models also have extra flanges on their undersides to increase rigidity and strength. To make the model more solid, you should feel free to carefully pour resin into the bottom cavity, or glue a properly-sized slab of wood or another material into it.
These models have been optimized for the above materials, and are not offered in other materials for strength or cost reasons. If you need one in another material, please email@example.com
and we'll do our best to fulfill your request.
(C) 2013 TinyMtn (TM)
Model created using GDAL, NetPBM, Gmsh, Carve, MeshLab, and other custom software
Source of digital elevation and aerial orthoimagery data: U.S. Geological Survey
The USGS home page is http://www.usgs.gov/