1988-1989 Field Trip Photos
![](/fileadmin/_processed_/a/4/csm_bh_88_1_f1acae6957.jpg)
1988 Black Hills Field Trip
Petrology presentation by Darrell Nodland, Bridal Veil Falls,
Spearfish Canyon, South Dakota.
(Photo by D.P. Schwert, May 3, 1988)
![](/fileadmin/_processed_/8/2/csm_nsh_89_5_80c5c21ef0.jpg)
1989 North Shore Field Trip
Group discussion on the banded troctolites of the Duluth Complex,
Thompson Hill rest area, Duluth, Minnesota.
(Photo by D.P. Schwert, May 5, 1989)
![](/fileadmin/_processed_/a/2/csm_nsh_89_4_d2b377ee68.jpg)
1989 North Shore Field Trip
Taking notes on the Vermilion Fm (Archean), Pike Bay,
near Tower, Minnesota.
(Photo by A.C. Ashworth)
![](/fileadmin/_processed_/9/e/csm_sh_89_1_01_69381a696c.jpg)
1989 Field Geology Field Trip
(Photo by A.C. Ashworth)