Year
Unknown
Image from the Biodiversity Heritage Library.
Contributed by Harvard University Botany Libraries.
| www.biodiversitylibrary.org
Transcription
Güzel, A. Feldsman Bühmann
H.
works for Carlo Gillier
EB-20-71 Zone 7 Tsunelt Stage
chart lenses + pails.
1 photo 15/1/74 11/17/71
EB-21-71 Zone 6 photo - 2 of
“cabbage shaped”
stromatolite struct known+
rueler + 1yd. P. chm #3
pictures of Euphotica growing
on Xs.
11/17/71
EB-22-71 ool., t.c zone 2mg
photo w. rule scale *2 off
E/B-23-71 Zone 7 11/17/71
main Hwy to Otavi - S.
at the Hill, (Bumeb)
2 slag specimens found:
town: 6.6% Zn, 0.8% Cu 2.9% Pb 0.1073 gr/cm³
0.01% % gadmium, 32gms silver/ton
Meteorite on aid of Grootfontein
to Otavi.: Haker-west meteorite (iron-nickel)
Smithsonian Institut.
Amythist quartz - heat to 800°
Turns topaz color (amber) - sold as
topaz.