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Summary
| Description |
English: Photograph of a LaBrea Tar Pits strata chart, 1938. The LaBrea Tar Pits are located in Hancock Park. Various items that would be found in each level of the earth are drawn within each labeled area, including sea shells, bones, and fossils. Photoprint reads, from top to bottom:"Pictorial Representation Of The Successive Strata Formation Of Los Angeles County At La Brea Pits","Santa Monica Mountains","Recent","Pleistocene","Tertiary","Cross-Section Showing Geological Structure With Oil And Asphalt Seepage","Periods. Characteristic Fossils","Recent Alluvium 10000 to 25000 years ago. Prehistoric Man.Indian Remains","Pleistocene Ice Age. 25000 -- 2000000 yrs. ago. Mammal Remains. Mastodon-Sabre Tooth Tiger Etc.","Pliocene. Saugus. (Fernando Group). Osters Scallops Cone Shells Screw Shells Etc.","Pico. 2000000 -- 20000000 yrs. ago. Ark Shells Mussels Screw Shells Fish Vertabrae Etc","Miocene. Modelo. Scallops Screw Shels Oysters Etc","Mint Canyon. Mammal Bones","Topango. Scallops Screw Shells Clams Oysters Etc Marine Bones","Vaqueros 20000000 -- 35000000 yrs. ago. Scallops Screw Shells Mussels Etc. (Scant)","Oligocene. Sespe. 35000000 -- 45000000 yrs. ago. Mammal Bones Oil Pools","Eocene. Tejon. Marine Oil Shales","Megarros. Martinez 45000000 -- 60000000 yrs. ago. Scallops Screw Shells Clams Oysters Mussels","Upper Cretaceous. 60000000 -- 80000000 yrs. ago. Crestaceous Fossils Etc."and"Federal Writers Project WPA Los Angeles". Sideways writing at left reads,"Mesozoic","Tertiary", and"Quaternary". |
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| Source | https://digitallibrary.usc.edu/asset-management/2A3BF1G1MOY Metadata Title LaBrea Tar Pits strata chart, 1938 Subject Animals, Fossil (lcsh), Charts, diagrams, etc |
| Author | Federal Writers' Project |
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:34, 31 December 2023 | | 944 × 1,200 (233 KB) | Jengod | Uploaded a work by Federal Writers' Project from https://digitallibrary.usc.edu/asset-management/2A3BF1G1MOY Metadata Title LaBrea Tar Pits strata chart, 1938 Subject Animals, Fossil (lcsh), Charts, diagrams, etc with UploadWizard |
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