- FundoMG 18 - F.H. Edmunds fonds
- SérieF. - Photographs
- 76 mais...
- ItemMG18-F.139 - Stalactites and Stalagmites - Montana
- ItemMG18-F.140 - Spheroidal Weathering - Colorado
- ItemMG18-F.142 - Stalactites and Stalagmites - Wombeyan Caves
- ItemMG18-F.143 - Stalactites - Jenolan Caves
- ItemMG18-F.144 - Graphic - Atlantic Uplands and Lowlands - Nova Scotia