Wayland, Russell <br/><br/>
New maps of Federal coal 

<br/><br/> <Donation ORSTOM> 
<br/><br/>bibliogr. p. 550 
<br/><br/><label>ISSN: </label>00167606 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Carte houillère<br/>Bassin houillier<br/>Charbon<br/>Réserve<br/>Isopaque<br/>Forage<br/>Gisement potentiel<br/>Coal measures
<br/><br/><label>Subjects--Index Terms: </label>Etats Unis  Wyoming Etats Unis  Wyoming