by VanDiver, Bradford B.
Roadside geology series
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Outstanding scenic geological features of Pennsylvania
Pennsylvania caves and other rocky roadside wonders
The practical geologist
Reading the rocks : the autobiography of the earth
The geology of Centre County
Hiking America's geology
Measuring eternity : the search for the beginning of time
Earth story : the shaping of our world
Planet earth
Rock formations and unusual geologic structures :exploring the earth's surface
Earth : an intimate history
Basin and range
The history of earth : an illustrated chronicle of our planet
Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania
Rising from the plains
A collection of occasional surveys of iron, coal and oil districts in the United States, made during the last ten years
In suspect terrain
Dirtmeister's nitty gritty planet Earth : all about rocks, minerals, fossils, earthquakes, volcanoes, and even dirt!
Discovery Channel rocks & minerals : an explore your world handbook
Inside the earth
An introduction to fossils and minerals : seeking clues to the earth's past
Nature's extremes : inside the great natural disasters that shape life on earth
One strange rock
Geology the study of rocks
Annals of the former world
Nature's clocks : how scientists measure the age of almost everything
The magic school bus : inside the Earth
Chesapeake invader :discovering America's giant meteorite crater
The universe within : discovering the common history of rocks, planets, and people
Short bike rides in eastern Pennsylvania
Scenic science of the national parks : an explorer's guide to wildlife, geology, and botany
Explore rocks and minerals!
A history of Earth : in 100 groundbreaking discoveries
Eruption! : volcanoes and the science of saving lives
Rockin' rocks
Geology rocks! : 50 hands-on activities to explore the earth
Snowball Earth : the story of the great global catastrophe that spawned life as we know it
The rock cycle
Backpacking Pennsylvania : 37 great trails
English
Geology > Pennsylvania > Guidebooks.
Pennsylvania > Guidebooks.