by Erickson, Jon, 1948-
Living earth.
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An introduction to fossils and minerals : seeking clues to the earth's past
Reading the rocks : the autobiography of the earth
Discovery Channel rocks & minerals : an explore your world handbook
Chesapeake invader :discovering America's giant meteorite crater
Inside the earth
Planet earth
Earth : an intimate history
Earth story : the shaping of our world
The history of earth : an illustrated chronicle of our planet
Measuring eternity : the search for the beginning of time
Geology rocks! : 50 hands-on activities to explore the earth
Nature's extremes : inside the great natural disasters that shape life on earth
Dirtmeister's nitty gritty planet Earth : all about rocks, minerals, fossils, earthquakes, volcanoes, and even dirt!
T. rex and the crater of doom
Geology lab : explore earth with art & activities
The magic school bus : inside the Earth
Rockin' rocks
Basin and range
The practical geologist
Rising from the plains
Explore rocks and minerals!
A history of Earth : in 100 groundbreaking discoveries
Leo Geo and his miraculous journey through the center of the earth
Snowball Earth : the story of the great global catastrophe that spawned life as we know it
Earth : by the numbers
The Earth book
Falling upward : a spirituality for the two halves of life
Faith shift : finding your way forward when everything you believe is coming apart
In suspect terrain
Outstanding scenic geological features of Pennsylvania
The geology of Centre County
Geology the study of rocks
One strange rock
Roadside geology of Pennsylvania
Annals of the former world
The ends of the world : volcanic apocalypses, lethal oceans, and our quest to understand Earth's past mass extinctions
I'm trying to love rocks
Ultimate rockopedia : the most complete rocks & minerals reference ever
Understanding the world's greatest structures science and innovation from antiquity to modernity
English
Rev. ed.
Geology.
Geomorphology.