8 resultados para Diamond, Jared: Collapse. How Societies Choose to Fail or Succeed
em Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States
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Browse through this guide and you’ll find the distinct flavor of what is available along each byway. Discover recreational, historic, cultural and scenic attractions using the maps and lists provided in the guide. You’ll find numbered attractions for each byway in or near the town listed. For a comprehensive list of byway features, visit www.iowabyways.org. Friendly local contacts are provided to help you along the way. Iowa Transportation Maps clearly tracking all the Iowa byways with red dotted lines are available at Iowa’s official welcome centers. Traveling Iowa’s byways you will experience small town America, while enjoying diverse landscapes and unique landforms that have been shaped over thousands of years. Iowa’s cultural heritage also plays a major role across all 11 byways, boasting hundreds of historic sites, national landmarks and interpretive centers, each telling Iowa’s stories from the first Native Americans through European immigrants to modern times. Glaciers once covered much of Iowa, shaping the broad flat plains of the prairie. These massive sheets of ice missed the northeast corner of the state, leaving the land along the Driftless Area Byway rugged and hilly with rock outcroppings, springs and cold water trout streams. Rivers coursed their way through the land, carving deep furrows in some places and leaving gently rolling hills in others. In western Iowa, wind has shaped fine sand into the impressive Loess Hills, a rare land form found in only one other place on earth. Iowa’s two national scenic byways and nine state byways offer unique varieties of scenic features, and more for you to see and do. View three states from atop a Mississippi River bluff, stop at a modern art museum and then tour a working farm. Explore a historic mill, visit a national aquarium, take a boat ride in a cave, purchase locally crafted pottery and wares from local artisans or trace the footsteps of Lewis and Clark. Experience the actual wagon ruts of the Mormon Trail, ride your bike 13 stories high, canoe a water trail, star gaze under Iowa’s darkest sky, and marvel at mounds built by prehistoric cultures. Agriculture wraps Iowa’s byways with an abundance of farmland vistas and fills Iowa lands with ever-changing crops and activities for you to “harvest.” You’ll see croplands on the vast flat plains and farmsteads sprinkled across rolling hills reminiscent of a Grant Wood painting. Along the way, you might wander in a corn maze, rest at a bed and breakfast, study farming in museums, discover the Iowa barn quilt collection or visit a working Amish farm. When you are ready to step outside your vehicle, you’ll find much more to do and see. Prairie, forests, rivers and public lands are abundant along Iowa’s byways; providing opportunities for you to stop and play in the outdoors with hiking, biking, kayaking and trout fishing. Classic hometowns with pride for their unique lore and offerings are found all along the byways. They invite you to taste local food, enjoy their architecture, and immerse yourself in the rich history and culture that defines them. Why not plan your next journey off the beaten path? No matter how you choose to make the most of every moment, we know that time spent along Iowa’s byways is sure to grow your love for Iowa’s diverse, beautiful vistas and authentic communities. Happy driving!
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The Attorney General’s Consumer Protection Division receives hundreds of calls and consumer complaints every year. Follow these tips to avoid unexpected expense and disappointments. This record is about: Hold the Line on Annoying Robocalls How to respond to unwanted or illegal prerecorded robocalls
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Public libraries and historical societies should work together in collecting and preserving materials of local history. This brochure is a guide for their collaboration.
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How people choose to live depends on a variety of social and economic circumstances. Single family dwellings, extended family compounds, and communal apartment blocks are all forms of residential architecture that have ancient roots and occur in every culture. Each form both reflects and affects the living styles of the people who reside there. The double house, which shelters two families in units separated by a wall or floor, balances the convenience of an apartment with the psychological comforts of a home. During the mid to late nineteenth and early twentieth centuries in the United States, the double house was hugely popular in some cities, such as Minneapolis and Milwaukee, but only a minimal presence in Des Moines
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Highway maintenance engineers and administrators are often confronted with a number of problems related to highway maintenance work programs. One of these problems is concerned with determining the optimum number and locations of highway maintenance garages in a given area. Serious decline in highway revenues and a high inflation rate have made it necessary to examine existing maintenance practices and to allocate reduced financial resources more effectively and efficiently. Searching for and providing of reasonable solutions to these problems is the focus of this research project. The methodology used is to identify and modify for use (if necessary) those models which have already been developed. Models which could give optimum number and locations of highway maintenance garages were found to be too theoretical and/or practically infeasible. Consequently, research focus was shifted from these models to other models that could compare alternatives and select the best among these alternatives. Three such models -- the Alabama model, California model, and Louisiana model, were identified and studied.
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Few disaster recovery initiatives are more important than those that house the people and assist them to repair or replace their homes. The widespread damage to housing from the tornadoes, storms, and floods in 2008 creates greater challenges in housing than the state has faced from previous disasters. The Housing Task Force gratefully submits its Report to the Rebuild Iowa Advisory Commission as an opportunity to place data, issues, priorities and recommendations before residents, communities, state officials, and policymakers at all levels for consideration of how best to guide, support, and resource these efforts. Quantifying the impact of the disasters on communities is daunting. The many personal accounts and sets of community statistics paint pictures of Iowans who have emerged from the rubble or muck of their homes with a determination and commitment to rebuild not just like they were previous to the disasters, but better and stronger. Damage statistics are telling. Supplemental Information to the August 2008
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HR-116 is concerned with the relationship of carbonate aggregate to aging of highway concrete. The ultimate purpose of the research is to provide the Materials Department with better criteria for selection of carbonate aggregates for use in highway concrete. The research stems from the problem in Iowa which relates durability of highway concrete to use of certain aggregates. Service records of certain highways have shown that concrete deterioration is related to the source of coarse carbonate aggregate. Research on this problem in projects HR-15 and HR-86 helped define three broad areas of the problem in more detail: 1. The problem of evaluation of rocks which pass current specifications but have poor service records 2. The basic problem of how rocks contribute to distress in concrete 3. The problem of how concrete ages or weathers.
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Over the past several years we conducted a comprehensive study on the pore systems of limestones used as coarse aggregate in portland cement concrete (pee) and their relationship to freeze-thaw aggregate failure. A simple test called the Iowa Pore Index Test was developed and used to identify those coarse aggregates that had freeze-thaw susceptible pore systems. Basically, it identified those aggregates that could take on a considerable amount of water but only at a slow rate. The assumption was that if an aggregate would take on a considerable amount of water at a slow rate, its pore system would impede the outward movement of water through a critically saturated particle during freezing, causing particle fracture. The test was quite successful when used to identify aggregates containing susceptible pore systems if the aggregates were clean carbonates containing less than 2% or 3% insolubles. The correlation between service record, ASTM C666B and the pore index test was good, but not good enough. It became apparent over the past year that there were factors other than the pore system that could cause an aggregate to fail when used in pee. The role that silica and clay play in aggregate durability was studied.