C A Heard Survey Books 6A and NL 

<br/><br/> CAH-CD No. 4 of 4<br/>SMCHS Accession Number 2014; 0015:0001<br/>Contents: Index A; Book 6A: Book NL<br/>Index A - 1907-1938; Book 6A - (GA on disc) 1937-1939<br/>Book NL (NL=No Label) Misc. Years 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>1. Land - Survey Books<br/>2. Heard Survey Books