Archeology crossword

3. The given name of the man who's namesake is the city of Niles
7. When an artifact's context and exact location of discovery is lost
10. A mix of mud, stones, and straw or moss used to fill walls, common in French settlements
11. Disturbance in the soil made by plants or animals
13. Traditional shell bead of the Indigenous peoples of the Northeastern Woodlands of North America
14. Most common game of settlers at Fort St. Joseph
15. Usually a 1x2 meter area of excavation
17. The physical makeup of soil
18. Artifact originating from plant or animal life

1. Original name of the St. Joseph River
2. Tin-glazed earthenware pottery imported from France
4. The top level at the FSJ site, deposited by the river
5. Surely there are better tools for digging than this?
6. They were employed to transport goods by canoe
8. A marine invertebrate whose stems are often found as fossils
9. Point from which depth is measured
12. Bone that has been burned at a high temperature, leaving only the mineral framework.
16. Faith of the founders of Fort St. Joseph