Vertical File Index

The Vertical File collection consists of various information collected on specific historic topics.  The file folders themselves are available only at the State Archives. 


Oacoma, SD

Oahe Chapel

Oahe Dam

Oahe Dam Dedication

Oahe Days 1971

Oahe Development Assoc.

Oahe Diversion Project

Oahe Peoria Bottom

Oahe Reservoir Area


Oakwood, SD

Oakwood Lakes

Odd Fellows

Odell, SD

Oelrichs, SD

Ogalala Lakota College

Ogalala Sioux tribe

Ohio Spindle Top Oil & Storage Company

"Ohitika The Terrible One"

Oil in South Dakota

Okaton, SD

Okobojo, SD

Old Agency

Old Settlers Historical Assoc.

Old West Trail

Oldham, SD

Olivet, SD

Onaka, SD

One Hundred Forty-Seventh (147th) Field Artillery Historical Society

"One Little Indian"

Onida, SD

Ophir King Gold Mining

Oral History Project


Order of the Home Guardians

Ordway, SD

Ordway Memorial Prairie

Orient, SD

Orman Dam

Orphan Train

"Otto Stone"


Owanka, SD

Over, W.H. Museum