Fly_ash http://en.wikipedia.org/wiki... , Volcanic_ash http://en.wikipedia.org/wiki... , Volcanic_rocks http://en.wikipedia.org/wiki... , Tephra http://en.wikipedia.org/wiki... 9 -30 Pozzolana http://en.wikipedia.org/wiki... - Thomas Page

Pumice http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... Lava_(soap) http://en.wikipedia.org/wiki... http://www.toolbase.org/TechInv... , 8 -20 http://sciencythoughts.blogspot.com/2012... - Thomas Page

Lime,_Oregon Cement kiln http://en.wikipedia.org/wiki... Cement kiln Cement_kiln#Kiln_control http://en.wikipedia.org/wiki... As an exercise in process control, kiln control is extremely challenging, because of multiple inter-related variables, non-linear responses, and variable process lags. Computer control systems were first tried in the early 1960s, initially with poor results due mainly to poor process measurements. Since 1990, complex high level supervisory control systems have been standard on new installations. These operate using expert system strategies, that maintain a "just sufficient" burning zone temperature, below which the kiln's operating condition will deteriorate catastrophically, thus requiring rapid-response, "knife-edge" control. http://books.google.com/books... http://www.hcn.org/issues... http://sanjuanislands.kulshan.com/Washing... , 12 -5 Portland_cement http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... Lime_(material) http://en.wikipedia.org/wiki... Limestone http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... http://www.ashgrove.com/index... , The geologic history of the rocks of Hells Canyon began 300 million years ago with an arc of volcanoes that emerged from the waters of the Pacific Ocean. Over millions of years, the volcanoes subsided and limestone built up on the underwater platforms. The basins between them were filled with sedimentary rock. Between 130 and 17 million years ago, the ocean plate carrying the volcanoes collided with and became part of the North American continent. A period of volcanic activity followed, and much of the area was covered with floods of basalt lava, which smoothed the topography into a high plateau. The Snake River began carving Hells Canyon out of the plateau about 6 million years ago. Significant canyon-shaping events occurred as recently as 15,000 years ago during a massive outburst flood from Glacial Lake Bonneville in Utah.[5] Hells_Canyon http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... Oregon_Caves_National_Monument http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... , 12 -7 http://en.wikipedia.org/wiki... , 12 -18 sort map of 130 million yrs ago ? http://www.dailygalaxy.com/my_webl... 9 -1 http://www.oregon.gov/ODOT... - Thomas Page

Flood basalt http://en.wikipedia.org/wiki... volcanism has been implicated (along with the impact of large asteroids and/or comets, as well as disease and long-term climate changes) in major mass extinction events in the past. [ Yellowstone Hotspot - Thomas Page

Mount_St._Helens http://en.wikipedia.org/wiki... https://friendfeed.com/citizen... [ glacial-lake-missoula flood / ash layers in between sediment layers https://friendfeed.com/citizen... - Thomas Page

China recent amount of concrete used ... http://qz.com/220220... Materials https://friendfeed.com/citizen... [ http://en.wikipedia.org/wiki... { http://en.wikipedia.org/wiki... 10 -2 Chinese Dream , Ian Bremmer host CR Show. Huntsman http://en.wikipedia.org/wiki... - Thomas Page

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Roman Concrete http://en.wikipedia.org/wiki... , Pozzolana http://en.wikipedia.org/wiki... , http://en.wikipedia.org/wiki... , Italian Volcanos http://en.wikipedia.org/wiki... , [ Fire_deities http://en.wikipedia.org/wiki... Vulcan_(mythology) http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... - Thomas Page

Timeline of volcanism on Earth http://en.wikipedia.org/wiki... [ 1 -20 John McPhee http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... Creative_nonfiction http://en.wikipedia.org/wiki... http://friendfeed.com/citizen... - Thomas Page

Volcanic_arc http://en.wikipedia.org/wiki... [ Olympic-Wallowa_Lineament http://en.wikipedia.org/wiki... ? - Thomas Page

Gold mines http://en.wikipedia.org/wiki... http://www.westernmininghistory.com/towns... https://friendfeed.com/citizen... 1 -20 Silver City - Thomas Page

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http://idahoptv.org/outdoor... http://pubs.usgs.gov/pp... http://www.oregonriver.com/salmonr... - Thomas Page

interstate_84_finally_reopened http://www.oregonlive.com/pacific... http://tripcheck.org/Pages... http://en.wikipedia.org/wiki... [ Detour http://en.wikipedia.org/wiki... http://en.wikipedia.org/wiki... http://www.fs.usda.gov/npnht/ http://en.wikipedia.org/wiki... - Thomas Page

Creation-Treasure 1 -23 sort https://friendfeed.com/citizen... - Thomas Page