Category:Hudson River Group (geology)

Subcategories

This category has the following 3 subcategories, out of 3 total.

Media in category "Hudson River Group (geology)"

The following 4 files are in this category, out of 4 total.

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  Annual report (1906) (18240932968).jpg 2,051 × 2,741; 627 KB
  
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  Annual report of the Regents - New York State Museum. (1894) (19360247292).jpg 2,012 × 3,420; 1.95 MB
  
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  Annual report of the Regents - New York State Museum. (1902) (18743577734).jpg 2,432 × 3,260; 748 KB
  
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  Cross-section of the Helderberg Ridge, NY.png 585 × 237; 34 KB