0. DOCID:2834 1893 "The Utica Shale in Stephenson County, Illinois" 0.0166944809692475
1. DOCID:2980 1893 "An Old Volcanic Eruption in Iowa" 0.0129732522208143
2. DOCID:2663 1892 "Alabama Bauxite" 0.011950964989581
3. DOCID:2065 1890 "The Waitomo Caves, New Zealand" 0.0106376150658126
4. DOCID:3065 1895 "Some Meandering Rivers of Wisconsin" 0.0100863884206934
5. DOCID:2082 1890 "Whirlwinds" 0.0099760179388144
6. DOCID:1995 1889 "Methods and Models in Geographic Teaching" 0.0097844133543097
7. DOCID:2024 1890 "Effigy Mound in the Valley of the Big Sioux River, Iowa" 0.00925613241540088
8. DOCID:2990 1893 "Recent Discoveries in Northeastern Nicaragua: Granite Hills, Moutonned Ridges and Gold-Containing Lodes or Reefs, and Leads or Placer Mines" 0.0089952653777355
9. DOCID:2798 1893 "Texas Clays and Their Origin" 0.00891873107378687
10. DOCID:2823 1893 "Discovery of Ancient Argillite Quarries on the Dela Ware" 0.00887416848933996
11. DOCID:2545 1892 "Modern Quarry Refuse and the Palaeolithic Theory" 0.00874368532297731
12. DOCID:2152 1890 "The Cherokees in Pre-Columbian Times" 0.0083282569711692
13. DOCID:3143 1895 "Geologic Atlas of the United States (II.)" 0.00805252964552215
14. DOCID:2106 1890 "Kilima Njaro" 0.00777409141341132