Mammoth Onyx Cave

Mammoth Onyx Cave is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Amusement Places
• Caverns

North American Industry Classification System (NAICS) Categories:

• Scenic And Sightseeing Transportation, Land > Hiking Backpacking & Climbing Services > Cavern Operation
• Amusement And Theme Parks

Standard Industry Classification (SIC) Categories:

• Amusement And Recreation Services, Nec > Hiking Backpacking & Climbing Services > Cavern Operation