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01264aam a2200217 4500 001 CAA6693E6FD711EE93D6B80232ECA4DB 003 SILO 005 20231021010103 008 230321s2023||||||||||||||||||||||||und|u 020 $a 1669666409 020 $a 9781669666400 040 $d TxAuBib $d SILO 100 1 $a Ekua Brew-Hammond, Nana. 245 1 $a Blue $h [Wonderbook] / $c BY Nana Ekua Brew-Hammond. 264 1 $a Solon, OH : $b Findaway World, LLC, $c 2023. 300 $a 1 Wonderbook. 500 $a For centuries, blue powders and dyes were some of the most sought-after materials in the world. Ancient Afghan painters ground mass quantities of sapphire rocks to use for their paints, while snails were harvested in Eurasia for the tiny amounts of blue that their bodies would release. And then there was indigo, which was so valuable that American plantations grew it as a cash crop on the backs of African slaves. It wasn't until 1905, when Adolf von Baeyer created a chemical blue dye, that blue could be used for anything and everything--most notably that uniform of workers everywhere, blue jeans. 541 $d 20230403. 941 $a 1 952 $l YAPC771 $d 20231021032501.0 956 $a http://locator.silo.lib.ia.us/search.cgi?index_0=id&term_0=CAA6693E6FD711EE93D6B80232ECA4DBInitiate Another SILO Locator Search