Duke Geological Laboratory

Stone Ridge, NY

Dukelabs Southbury Picture Mica Gallery

Au_EmpireXGrassValley1900
22
%_tempFileNameAu_EmpireXGrassValley1900%

Au_GoldCliffX_AngelsCampDist1875
23
%_tempFileNameAu_GoldCliffX_AngelsCampDist1875%

Au_GrindingMill
24
%_tempFileNameAu_GrindingMill%

Au_GrizzlyFlatDist1850s
25
%_tempFileNameAu_GrizzlyFlatDist1850s%

Au_HydraulicMining
26
%_tempFileNameAu_HydraulicMining%

Au_LaGrangeXWeavervilleDist1914
27
%_tempFileNameAu_LaGrangeXWeavervilleDist1914%

Au_MarbleQ2ColumbiaCA
28
%_tempFileNameAu_MarbleQ2ColumbiaCA%

Au_MarbleQ3ColumbiaCA
29
%_tempFileNameAu_MarbleQ3ColumbiaCA%

Au_MarbleQColumbiaCA
30
%_tempFileNameAu_MarbleQColumbiaCA%

Au_MichiganBar1860s
31
%_tempFileNameAu_MichiganBar1860s%

Au_MiddleForkStanislaus7908
32
%_tempFileNameAu_MiddleForkStanislaus7908%

Au_MidForkStanislaus
33
%_tempFileNameAu_MidForkStanislaus%

Au_MidForkStanislaus2
34
%_tempFileNameAu_MidForkStanislaus2%

Au_Octahedra
35
%_tempFileNameAu_Octahedra%

Au_Octahedra2
36
%_tempFileNameAu_Octahedra2%

Au_Old Sunflower X
37
%_tempFileNameAu_Old%20Sunflower%20X%

Au_PlacerMiningColumbiaCA
38
%_tempFileNameAu_PlacerMiningColumbiaCA%

Au_Placerville1849
39
%_tempFileNameAu_Placerville1849%

Au_PrincessXShastaCo1900
40
%_tempFileNameAu_PrincessXShastaCo1900%

Au_RichDiggings
41
%_tempFileNameAu_RichDiggings%

Au_RiverGrit
42
%_tempFileNameAu_RiverGrit%

© 2025 Charles Merguerian