Mammoth Cave - Frozen Niagara benchmark "AZ MARK" #4 - U.S. Benchmarks on Waymarking.com

Found a disk stamped "AZ MARK" (no station number) on a large stone inside the cave east from the benchmark "TT 27 W" after leave the second audience between two new entrance doors (west & east) to Frozen Niagara where there are two bronze disks of "C 001B" (west) and "C 001A" (east) stamped by US Department of Interior on the block wall beside the doors. This benchmark disk installed by "US Geological Survey Benchmark." It is located in Edmonson County, KY, in the Mammoth Cave National Park property.

I found there are five USGCS benchmarks (Four are stamped "AZ MARK" and one is stamped "TT 27 W" inside the cave.

NOTE: the geographic coordinate system is approximate.

Condition: Monumentation found, but no marker Designation: AZ MARK Benchmark Agency: U.S. Geological Survey Monumentation type: BENCH MARK (or B.M.) Disk County: Edmonson County Special category (optional): Cave cap Find type: Found by luck/skill/knowledge Benchmark Agency (if other): Not listed Monumentation type (if other): Not listed USGS 7.5' Topographic Quadrangle Name (optional): Not listed Special Category (if other): Not listed Web address of this benchmark's datasheet (optional): Not listed NGS PID: Not listed Local database's URL (optional): Not listed

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