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About this preview
© Gestion A.paquet inc. — all rights reserved
Tap the artwork to zoom. Digital preview: the final proof is approved before printing.
Volcano
Mount St. Helens
At home. Your way.
Digital room mockup; framing and proportions are illustrative.
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In a room12 × 16 in · Illustrative framing
Custom quote
Your edition
12 × 16 in · UnframedLiving Geography · OriginalYour enquiry
The place, its figures and sources
The real figures
- Summit elevation
- 2 549 m
- Contour interval
- 25 m
- Mapped extent
- 19 × 14.8 km
What makes it unique
- An open crater and the valleys of the Cascade Range. Source
Sources and limits
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Summit elevation · 2 549 m
Post-1980 summit elevation published by USGS in its 16 September 2025 information statement. No volcanic forecast is presented.
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Contour interval · 25 m
Computed value — Chosen interval between contours derived from the DEM; it is not vertical accuracy.
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Mapped extent · 19 × 14.8 km
Computed value — Deliberate cartographic terrain window. It is not the mountain’s area or official boundary.
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Elevation contours · 664
Computed value — Number of paths calculated by source-pixel edge interpolation, without smoothing.
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DEM grid sampling · ≈ 26 m
Computed value — Downloaded grid spacing at the artwork centre. Native data resolution may differ; it is not survey accuracy.
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Large crater formation · 18 May 1980
USGS date of the eruption that formed the large horseshoe-shaped crater. The artwork follows post-eruption source terrain.
- USGS — Cascades Volcano Observatory
- Mapzen Terrain Tiles / AWS Open Data
- U.S. Geological Survey
- Source
- Mixed open terrain sources; required regional attribution retained
Decorative artwork, not a navigation chart. Mapped shorelines and extents are approximate; historical or modeled data are labeled.
Visual guidance · Paper proof pending.