[Tagging] Gorges, Canyons, Ravines: natural=valley or new tag?

Kevin Kenny kevin.b.kenny at gmail.com
Wed Aug 14 18:02:10 UTC 2019

On Wed, Aug 14, 2019 at 4:34 AM Michael Patrick <geodesy99 at gmail.com> wrote:

> 4. These folks have their own 'Encyclopedia of Geomorphology', which gives detailed explanations of what sorts of observable features define a term, and where terms overlap. ( See page 486 'Ravines and Gullies at http://bit.ly/2YJca7I ). Various agencies in various countries dealing with geomorphology nomenclature also publish there own glossaries ( see Part 629–Glossary of Landform and Geologic Terms at https://directives.sc.egov.usda.gov/OpenNonWebContent.aspx?content=41992.wba ), derived from an American Geologic Institute (AGI) publication.

And please, please, don't make me follow it to the letter! I live in
an area where there's a lot of highly complex glaciokarst terrain, and
the correct classification of many landforms, even where not
controversial, is rather récherché for the ordinary mapper.

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