41![Petrified Forest Fast Facts Colorful petrified logs at Blue Mesa Petrified Forest Fast Facts Colorful petrified logs at Blue Mesa](https://www.pdfsearch.io/img/c6ae22006c953e852b91231556771ce1.jpg) | Add to Reading ListSource URL: www.nps.govLanguage: English - Date: 2014-10-23 18:15:00
|
---|
42![National Park Service U.S. Department of the Interior Specimen Ridge Day Hike Yellowstone National Park National Park Service U.S. Department of the Interior Specimen Ridge Day Hike Yellowstone National Park](https://www.pdfsearch.io/img/3a473a24e73eb9de0852c964f5b8bbe3.jpg) | Add to Reading ListSource URL: www.nps.govLanguage: English - Date: 2014-10-01 18:29:24
|
---|
43![Taastuvad energiaallikad Eestis ja Euroopa Liidus − hetkeseis ja probleemid 28. mail 2004 Reval Hotel CENTRAL konverentsikeskuses Taastuvad energiaallikad Eestis ja Euroopa Liidus − hetkeseis ja probleemid 28. mail 2004 Reval Hotel CENTRAL konverentsikeskuses](https://www.pdfsearch.io/img/01633f23aefc350ea555dee2ffd2dae0.jpg) | Add to Reading ListSource URL: www.erec.orgLanguage: English - Date: 2007-07-12 10:38:13
|
---|
44![GLOSSARY Biodiesel Biodiesel is a methylester derived from vegetable oils or animal fats by the process of transesterification. Biodiesel has similar properties as fossil diesel and can be blended with fossil diesel or u GLOSSARY Biodiesel Biodiesel is a methylester derived from vegetable oils or animal fats by the process of transesterification. Biodiesel has similar properties as fossil diesel and can be blended with fossil diesel or u](https://www.pdfsearch.io/img/3c2b0ff8b8cc73170b65055b140f918a.jpg) | Add to Reading ListSource URL: www.aebiom.orgLanguage: English - Date: 2013-08-01 10:17:48
|
---|
45![Fossils / Paleozoology / Geology / Invertebrate paleontology / Plant / Petrified wood / Trace fossil / Invertebrate / Paleobotany / Biology / Paleontology / Zoology Fossils / Paleozoology / Geology / Invertebrate paleontology / Plant / Petrified wood / Trace fossil / Invertebrate / Paleobotany / Biology / Paleontology / Zoology](/pdf-icon.png) | Add to Reading ListSource URL: www.fs.usda.govLanguage: English - Date: 2014-05-14 15:48:23
|
---|
46![Regulations Hobby Collecting of Fossils and Petrified Wood Limited collection1/ of common invertebrate or plant fossils such as shells, leaf imprints, corals, etc., for personal use is allowed on most National Forest Sys Regulations Hobby Collecting of Fossils and Petrified Wood Limited collection1/ of common invertebrate or plant fossils such as shells, leaf imprints, corals, etc., for personal use is allowed on most National Forest Sys](https://www.pdfsearch.io/img/ab68b9e1016d6d1976c7f578d007b782.jpg) | Add to Reading ListSource URL: www.fs.usda.govLanguage: English - Date: 2014-08-12 18:36:18
|
---|
47![Florissant Fossil Beds National Park Service U.S. Department of the Interior HORSE AND PACK ANIMAL USE INFORMATION Florissant Fossil Beds National Park Service U.S. Department of the Interior HORSE AND PACK ANIMAL USE INFORMATION](https://www.pdfsearch.io/img/a2b309c6f5e7cfba0961b881abdf1e36.jpg) | Add to Reading ListSource URL: www.nps.govLanguage: English - Date: 2014-06-28 18:00:20
|
---|
48![BIOFUELS Alaska’s new power plants?
Growing research may offer alternatives to fossil fuels in Alaska. Story and photos by Todd Paris Chris Garber-Slaght let out a slight groan as he hoisted a five-gallon BIOFUELS Alaska’s new power plants?
Growing research may offer alternatives to fossil fuels in Alaska. Story and photos by Todd Paris Chris Garber-Slaght let out a slight groan as he hoisted a five-gallon](https://www.pdfsearch.io/img/5276c10bc61448c6b2e6d2f9c31d44cd.jpg) | Add to Reading ListSource URL: uafcornerstone.netLanguage: English - Date: 2012-12-11 15:40:50
|
---|
49![Published by the ASSOCIATION FOR WOMEN GEOSCIENTISTS To Encourage the Participation of Women in the Geosciences, To Exchange Educational, Technical, and Professional Inf~rmation, and to Enhance the Professional Growth an Published by the ASSOCIATION FOR WOMEN GEOSCIENTISTS To Encourage the Participation of Women in the Geosciences, To Exchange Educational, Technical, and Professional Inf~rmation, and to Enhance the Professional Growth an](https://www.pdfsearch.io/img/496cb2f22e8cdce6ea4e7f85b23c7ee3.jpg) | Add to Reading ListSource URL: www.awg.orgLanguage: English - Date: 2013-08-20 15:29:08
|
---|
50![REPORT Greenhouse Gas Emissions Assessment The Substitution of Fossil Fuels with Woody Biomass in the Northwest Territories Prepared for Government of the Northwest Territories REPORT Greenhouse Gas Emissions Assessment The Substitution of Fossil Fuels with Woody Biomass in the Northwest Territories Prepared for Government of the Northwest Territories](https://www.pdfsearch.io/img/122c1aaf1a365361958ce710d437a775.jpg) | Add to Reading ListSource URL: www.nwtclimatechange.caLanguage: English - Date: 2014-01-20 18:44:51
|
---|