tina levine wrote:

A possible ancestor's place of birth was listed as GLUBANIEC. Any idea where
this town might be?

I would wildly guess: Cholopenitch
Kholopenichi, Belarus
Alternate names: Kholopenichi [Rus], Cholopenitch [Yid], Cholopienicze [Pol],
Chalopienièy [Bel]

70 miles NE of Minsk 54°31' N, 28°58' E
Jewish Population in 1900: 1,343

Did you check the many possibilities of Stetlseeker?
<http://www.jewishgen.org/Communities/LocTown.asp>
--
Evertjan Hannivoort.
The Netherlands.
(Please change the x'es to dots in my email address)