Italic text is denoted by _underscores_ and bold text by =equal signs=. Whole and partial numbers are displayed as 2-1/2. _A great ledge in Ogden Canyon near Ogden, Utah. The rock, still retaining its stratification, was deposited layer upon layer horizontally mostly as sand upon the floor of a sea which covered the region fully 25,000,000 years ago. That the sea was of very early Paleozoic (i.e., Cambrian) age has been proved by fossils in associated strata. Long after their deep burial and consolidation within the earth, the strata were subjected to tremendous mountain-making pressure, notably altered to a rock called "Quartzite," raised high above sea level, and tilted almost vertically.…
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