Atlas of the Biodiversity of California. About the Atlas. The Atlas of the Biodiversity of California is a fascinating guide to the state's biological resources. This book is a bound collection of maps, stunning photographs, and artistic illustrations â all depicting the state's rich diversity of plant and animal species.
Typically, costs for installing a concrete access ramp fall between $1432 and $2377 and will vary with the size and features of construction as well as with your choice of finishes and landscaping elements.
Construction began in February 1963 and was completed in October 1965. The total cost to build the Gateway Arch was about $13 million, which would equal about $97 million in todayâs dollars. The primary construction materials used to build the Gateway Arch were steel and concrete. The outside skin consists of Â¼-inch stainless steel. There is also an inner layer of 3/8-inch structural steel with a layer of concrete between the layers of steel.