Changes

58:7.5 The [http://en.wikipedia.org/wiki/Rock_%28geology%29 rocks] of this [[era]] are [[exposed]] here and there all over the world, but none are so easy of [[interpretation]] as those about [http://en.wikipedia.org/wiki/Lake_Superior Lake Superior] and in the [http://en.wikipedia.org/wiki/Grand_Canyon Grand Canyon] of the [http://en.wikipedia.org/wiki/Colorado_river Colorado River], where these [[primitive]] [[fossil]]-bearing rocks, existing in several layers, testify to the [[upheavals]] and [[surface]] fluctuations of those faraway times.

58:7.5 The [http://en.wikipedia.org/wiki/Rock_%28geology%29 rocks] of this [[era]] are [[exposed]] here and there all over the world, but none are so easy of [[interpretation]] as those about [http://en.wikipedia.org/wiki/Lake_Superior Lake Superior] and in the [http://en.wikipedia.org/wiki/Grand_Canyon Grand Canyon] of the [http://en.wikipedia.org/wiki/Colorado_river Colorado River], where these [[primitive]] [[fossil]]-bearing rocks, existing in several layers, testify to the [[upheavals]] and [[surface]] fluctuations of those faraway times.

58:7.6 This stone layer, the oldest [[fossil]]-bearing [http://en.wikipedia.org/wiki/Stratigraphy stratum] in the [http://en.wikipedia.org/wiki/Earth%27s_crust crust] of the [[earth]], has been crumpled, folded, and grotesquely twisted as a result of the [[upheavals]] of [[http://en.wikipedia.org/wiki/Earthquakes earthquakes] and the early [http://en.wikipedia.org/wiki/Volcanoes volcanoes]. The [http://en.wikipedia.org/wiki/Lava lava] [[flows]] of this [[age]] brought much [http://en.wikipedia.org/wiki/Iron iron], [http://en.wikipedia.org/wiki/Copper copper], and [http://en.wikipedia.org/wiki/Lead lead] up near the [[planetary]] [[surface]].

58:7.6 This stone layer, the oldest [[fossil]]-bearing [http://en.wikipedia.org/wiki/Stratigraphy stratum] in the [http://en.wikipedia.org/wiki/Earth%27s_crust crust] of the [[earth]], has been crumpled, folded, and grotesquely twisted as a result of the [[upheavals]] of [http://en.wikipedia.org/wiki/Earthquakes earthquakes] and the early [http://en.wikipedia.org/wiki/Volcanoes volcanoes]. The [http://en.wikipedia.org/wiki/Lava lava] [[flows]] of this [[age]] brought much [http://en.wikipedia.org/wiki/Iron iron], [http://en.wikipedia.org/wiki/Copper copper], and [http://en.wikipedia.org/wiki/Lead lead] up near the [[planetary]] [[surface]].

58:7.7 There are few places on the [[earth]] where such [[activities]] are more graphically shown than in the [http://en.wikipedia.org/wiki/St._Croix_Valley St. Croix valley] of [http://en.wikipedia.org/wiki/Wisconsin Wisconsin]. In this region there occurred one hundred and twenty-seven [[successive]] [http://en.wikipedia.org/wiki/Lava lava flows] on [[land]] with succeeding [[water]] submergence and consequent [http://en.wikipedia.org/wiki/Rock_%28geology%29 rock deposition]. Although much of the upper rock sedimentation and intermittent [http://en.wikipedia.org/wiki/Lava lava flow] is absent today, and though the bottom of this [[system]] is buried deep in the [[earth]], nevertheless, about sixty-five or seventy of these [http://en.wikipedia.org/wiki/Stratigraphy stratified] [[records]] of past ages are now [[exposed]] to view.

58:7.7 There are few places on the [[earth]] where such [[activities]] are more graphically shown than in the [http://en.wikipedia.org/wiki/St._Croix_Valley St. Croix valley] of [http://en.wikipedia.org/wiki/Wisconsin Wisconsin]. In this region there occurred one hundred and twenty-seven [[successive]] [http://en.wikipedia.org/wiki/Lava lava flows] on [[land]] with succeeding [[water]] submergence and consequent [http://en.wikipedia.org/wiki/Rock_%28geology%29 rock deposition]. Although much of the upper rock sedimentation and intermittent [http://en.wikipedia.org/wiki/Lava lava flow] is absent today, and though the bottom of this [[system]] is buried deep in the [[earth]], nevertheless, about sixty-five or seventy of these [http://en.wikipedia.org/wiki/Stratigraphy stratified] [[records]] of past ages are now [[exposed]] to view.