Why I Hunt for Sidewalk Fossils A paleontologist once told me that city sidewalks hold snapshots. These marks are too recent to pass muster with scientific sticklers, but in all respects except age, they are fossils. There are many ways to make one.
Web Excursions 2023-02-15
Web Excursions 2023-02-15
Web Excursions 2023-02-15
Why I Hunt for Sidewalk Fossils A paleontologist once told me that city sidewalks hold snapshots. These marks are too recent to pass muster with scientific sticklers, but in all respects except age, they are fossils. There are many ways to make one.