USGS Geologic Investigations Series I-2688 map pamphlet¶
Billingsley, G. H. USGS Geologic Investigations Series I-2688 map pamphlet.
Cited by¶
1 citation across 1 artifact.
Each citation links to the sentence it supports in the citing article.
Domain-specific¶
- Slope-Former
- A Grand Canyon map description, for example, distinguishes cliff-forming sandstone from interbedded slope-forming shale and mudstone.
This sourceProvides formal unit descriptions distinguishing cliff-forming sandstone from slope-forming shale, mudstone, and siltstone.
- A Grand Canyon map description, for example, distinguishes cliff-forming sandstone from interbedded slope-forming shale and mudstone.
Verification¶
Does it exist? Not checked yet. This entry carries no identifier to resolve. It was extracted from the citation as written in the article, normalized, and deduplicated against the rest of the registry.
Does it back the claim? Not recorded. The single citation of this work carries no recorded support check.
Support is checked per citation rather than per work — the same source can be cited soundly in one article and wrongly in another. Per-citation recording began recently, so a citation with no recorded check is a gap in the record rather than evidence it went unchecked.
See how references were verified.
Registry ID ref:27ac99448137 · see in the full table