<h1>Jahns, Richard H.</h1>
<h2>Monograph from <a href="https://authors.library.caltech.edu">CaltechAUTHORS</a></h2>
<ul>
<li>Jahns, Richard H. (1951) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20220603-668319200">Geologic map of the Mount Toby quadrangle, Massachusetts: surficial geology [Map]</a>; <a href="https://doi.org/10.3133/gq9">10.3133/gq9</a></li>
<li>Jahns, Richard H. and Lancaster, Forrest W. (1950) <a href="https://resolver.caltech.edu/CaltechAUTHORS:20220520-335649400">Physical characteristics of commercial sheet muscovite in the southeastern United States</a>; <a href="https://doi.org/10.3133/pp225">10.3133/pp225</a></li>
</ul>