Baltimore Maryland - Antique 1891 USGS heliotype – Columbia Potomac formations
USD 32.00 USD
Technique:Original heliotype. Issued under the direction of USGS field teams during a period of expanding urban geological study, this heliotype stands as one of the earliest visual records of stratigraphy within Baltimore’s city grid.
Specifications
| Unit Of Sale | Single Piece |
| Artist | U.S. Geological Survey |
| Size | Medium |
| Material | Paper |
| Region Of Origin | Washington D.C., USA |
| Original/Licensed Reprint | Original |
| Type | |
| Year Of Production | 1891 |
| Theme | Geology |
| Production Technique | Large-Format Heliotype |
| Item Width | 11.5 |
| Country Of Origin | United States |
| Time Period Produced | 1850-1899 |
A nice touch is the paper’s slight tooth, which gives it an artistic feel.
