Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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You searched for: Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps Time Period 1900-1949 Remove constraint Time Period: 1900-1949
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1. Aerial Photography: Iowa, 1930s

1930. Iowa DNR. This dataset represents panchromatic orthophoto imagery produced from black and white aerial photographs. This dataset was developed from individua...

2. Historical Aerial Photography: Illinois, 1937-1947

1936. Illinois State Geological Survey. The primary data set consists of historical black and white aerial photographs from Illinois acquired during 1936 to 1941. Alternative years of pho...

3. Historical Map Collection for Lancaster County: Pennsylvania, 1900

1900. Lancaster County. Historical maps in TIFF format of Lancaster County.

4. Purdue Campus: West Lafayette, Indiana, 1903

1903. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

5. Purdue Campus: West Lafayette, Indiana, 1904

1904. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

6. Purdue Campus: West Lafayette, Indiana, 1906

1906. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

7. Purdue Campus: West Lafayette, Indiana, 1907

1907. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

8. Purdue Campus: West Lafayette, Indiana, 1908

1908. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

9. Purdue Campus: West Lafayette, Indiana, 1910

1910. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

10. Purdue Campus: West Lafayette, Indiana, 1912

1912. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

11. Purdue Campus: West Lafayette, Indiana, 1916

1916. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

12. Purdue Campus: West Lafayette, Indiana, 1917

1917. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

13. Purdue Campus: West Lafayette, Indiana, 1921

1921. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

14. Purdue Campus: West Lafayette, Indiana, 1924

1924. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

15. Purdue Campus: West Lafayette, Indiana, 1925

1925. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

16. Purdue Campus: West Lafayette, Indiana, 1926

1926. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

17. Purdue Campus: West Lafayette, Indiana, 1928

1928. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

18. Purdue Campus: West Lafayette, Indiana, 1930

1930. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

19. Purdue Campus: West Lafayette, Indiana, 1933

1933. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...

20. Purdue Campus: West Lafayette, Indiana, 1935

1935. Purdue University Libraries. The Purdue historical campus map collection was scanned and georeferenced by Purdue University Libraries. The physical maps were collected as Purdu...