Subject
- Geological Survey of New Jersey1
- Geological Survey of Pennsylvania2
- Geological surveys15
- Geologists1
- Geology4
- Germany1
- Germany--Clausthal-Zellerfeld1
- Gifts1
- Gold6
- Gold ingots2
- Gold mines and mining1
- Gold--Assaying1
- Gold--Refining11
- Great Britain. Royal Mint1
- Gums and resins1
- Guthrie, James, 1792-186944
- Half-dollar2
- Hall, Marshall, 1790-18571
- Henry, Joseph, 1797-18786
- Hobart College1