Should i delete archived gnis id's?

[Minh_Nguyen (Minh Nguyễn)]

You should keep the gnis:feature_id tag. The feature ID remains valid, even though the main viewer no longer shows them.

More discussion about the archived classes:

Cleanup and normalization of GNIS imports to only use gnis:feature_id for the id tag

There’s actually an important distinction to be made here. Some of the GNIS feature classes (e.g. School) are archived. The records still exist and are readily available in the archived data set provided by USGS, but they haven’t been updated since 2021 at the latest. Records in the archived classes are often much more out of date than that, though, because USGS didn’t do a good job of maintaining the data. So, you can still find these records and use them for reference. But you need to verify …

Here’s East Bethel Cemetery in GNIS-LD, one of the official distributions of GNIS.