Johnson, Frederick <br/><br/>
Archeology in an emergency :  the federal goverment's inter-agency archaeological salvage program is 20 years old 

<br/><br/> <Donation Engel> 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Archéologie de sauvetage<br/>Politique gouvernementale<br/>Parc national
<br/><br/><label>Subjects--Index Terms: </label>Etats Unis