A Smithsonian Institute publication, of possible general interest
https://repository.si.edu/bitstream/handle/10088/2428/SSHT-0029_Lo_res.pdf?sequence=2&isAllowed=y
Didn't find this previously posted.
https://repository.si.edu/bitstream/handle/10088/2428/SSHT-0029_Lo_res.pdf?sequence=2&isAllowed=y
Didn't find this previously posted.