Echoes by Bernice Kohn Hunt 1965 · 32 pages · Echo · Juvenile literature Loading... Cancel OK + New list... Cancel OK Get This Book Amazon Barnes & Noble Books-A-Million Bookshop.org Target Walmart Apple Books Audible Libro.fm Google Play Books ThriftBooks AbeBooks World of Books Borrow It Free Open Library Find at Library About this book Describes the basic characteristics of echoes and how, by studying them, man has gained valuable information about the nature of sonar exploration and navigation. Save for Later My Saved Books https://booklink.fyi/b/echoes-bernice-kohn-hunt Share