Primary and Secondary Resources 4th Grade Unit 6: Economics Primary and Secondary Resources Map courtesy Wikimedia Commons: https://en.wikipedia.org/wiki/File:Usa_edcp_relief_location_map.png by Uwe Dedering and is licensed under https://creativecommons.org/licenses/by-sa/3.0/deed.en

Composite Map: Including multiple resources and goods produced by region (North and South) Base Map: By Uwe Dedering (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3AUsa_edcp_relief_location_map.png. Overlay for Tree Growth extrapolated from: [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3AWhere_the_Trees_Are_-_NASA_Earth_Observatory.jpg. Overlay for cotton extrapolated from https://commons.wikimedia.org/wiki/File%3AMap_07-M189_Acres_of_Upland_Cotton_Harvested_as_Percent_of_Harvested_Cropland_Acreage%2C_U.S.%2C_2007..gif. Overlay for industrial centers and steel extrapolated from https://www.socialstudies.com/itemimages/large/NYS3119.jpg

The darker the green color, the more wealthy people are in that area. By Vikjam (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3AUS_county_household_median_income_2009.png.

Where the Trees Are Where the Trees Are - NASA Earth Observatory. By Map by Robert Simmon, based on multiple data sets compiled and analyzed by the Woods Hole Research Center. Data inputs include the Shuttle Radar Topography Mission, the National Land Cover Database (based on Landsat) and the Forest Inventory and Analysis of the U.S. Forest Service. Caption by Michael Carlowicz. [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3AWhere_the_Trees_Are_-_NASA_Earth_Observatory.jpg.

Cotton Growing in the US This map shows where cotton is grown in the US (while this is a modern map, cotton has always been king in the South). By National Agricultural Statistical Service, United States Department of Agriculture [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3AMap_07-M189_Acres_of_Upland_Cotton_Harvested_as_Percent_of_Harvested_Cropland_Acreage%2C_U.S.%2C_2007..gif.

Map Delineating Confederate and Union States By Júlio Reis - by myself, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1710151

The Oregon Trail Game Map Map courtesy of the Nation Park Service. https://www.nps.gov/oreg/planyourvisit/maps.htm. Edited by Nancy Balaun to add stars and event numbers.

Eli Whitney: Cotton Gin By Tom Murphy VII (Taken by uploader, user:brighterorange.) [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3ACotton_gin_EWM_2007.jpg.

200th steam locomotive built by Clyde TF 1164 from The Powerhouse Museum By Clyde works in Granville, NSW [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3A200th_steam_locomotive_built_by_Clyde_TF_1164_from_The_Powerhouse_Museum.jpg.

VR steam loco By Matthew Ross (Matthewross) (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.5-2.0-1.0 (https://creativecommons.org/licenses/by-sa/2.5-2.0-1.0)], via Wikimedia Commons.. From https://commons.wikimedia.org/wiki/File%3AVR_steam_loco.JPG.

Steam Engine By Andy Dingley (scanner) [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3ARacine_high-speed_steam_engine_(New_Catechism_of_the_Steam_Engine%2C_1904).jpg.

A typical river paddle steamer from the 1850s-the Ben Campbell See page for author [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3ASteamboatBenCampbellb.jpg

"Look out" (Transport Steamer) on Tennessee River - NARA - 5289791 restored Mathew Brady [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3A%22Look_out%22_(Transport_Steamer)_on_Tennessee_River_-_NARA_-_5289791_restored.jpg

Phelps' Electro-motor Printing Telegraph See page for author [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3APhelps'_Electro-motor_Printing_Telegraph.jpg.

Miss Ethel Wakefield, a Western Union telegraph PBX operator Esther Bubley [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3AMiss_Ethel_Wakefield%2C_a_Western_Union_telegraph_PBX_operator_8d30850v.jpg

Prairie Schooner By Pearson Scott Foresman [Public domain], via Wikimedia Commons From https://commons.wikimedia.org/wiki/File%3APrairie_schooner_(PSF).png.

Manhattan gold mining town, 1888 By Unknown - 1888 [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3AManhattan_gold_mining_town%2C_1888.jpg.

A woman with three men panning for gold during the California Gold Rush See page for author [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3A1850_Woman_and_Men_in_California_Gold_Rush.jpg,

Panning for gold on the Mokelumne River See page for author [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3APanning_on_the_Mokelumne.jpg.

Forty-niner panning for gold By Photo: L. C. McClure [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3AGullgraver_1850_California.jpg

Portsmouth Square, San Francisco, during the Gold Rush, 1851 See page for author [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3ASanFrancisco1851a.jpg

Steel industry inside loc Public Domain, https://commons.wikimedia.org/w/index.php?curid=530350. From https://upload.wikimedia.org/wikipedia/commons/5/5d/Steel_industry_inside_loc.jpg

Cotton field See page for author [Public domain], via Wikimedia Commons. From https://commons.wikimedia.org/wiki/File%3ACotton_field.jpg.

The Barrow Hematite Steel Company operated 18 Bessemer converters and owned the largest steelworks in the world at the turn of the 20th century. By unknown - 1877 or earlier, republished by University of Strathclyde project - http://victoria.cdlr.strath.ac.uk/browseTimeline.php?group=&year1=&year2=, Public Domain, https://commons.wikimedia.org/w/index.php?curid=14652342