Benchmarks are survey markers used by the NGS and can be interesting to find -- especially since you may have seen them before and not have known what they were. Some have been lost to the NGS for decades and benchmark hunters could find those again and submit them here if they are listed here as not found. Below are the benchmarks I have found (or not :P ).

Total "Founds":	10
Total "Not Founds":	0
Total "Sought":	10

Status	PID	Latest Date	Type	Designation	Note	Link to Benchmark
	"Cutoff 8o"	03/26/2003	Disk	?	Could be JU1326, not sure pics	?
	JU1327	03/26/2003	Disk	M 68	pics	Link
	JU1325	03/26/2003	Disk	L 68	pics	Link
	JU1323	03/26/2003	Disk	K 68	pics	Link
	HU0827	03/26/2003	Disk	J 68	pics	Link
	HU0823	03/26/2003 09/28/2002	Disk	G 68	pics	Link
	HU0822	03/26/2003 09/28/2002	Disk	F 68	pics	Link
	HU0825	10/15/2002	Disk	H 68	pics	Link
	HU0820	09/28/2002	Disk	D 68	-	Link
	HU0821	09/27/2002	Disk	E 68	First find. pics	Link