American
WLS XIII from White Line Squares (Series II)
WLS V from White Line Squares (Series I)
WLS XI from White Line Squares (Series II)
WLS VI from White Line Squares (Series I)
Earth Day
River of Ponds I
Modern Print
, 1972
, 1973
![Zone [trial proof 5]](https://api.nga.gov/iiif/f02d1580-f201-4ac2-ab59-1fc5383bd57f/full/843,/0/default.jpg)
![Evian [trial proof]](https://api.nga.gov/iiif/3eef463a-b163-4dd5-a7c1-8264f081fdf2/full/843,/0/default.jpg)
![Zone [trial proof 6]](https://api.nga.gov/iiif/39ebf91c-690c-4ad3-825f-2dc12d0f6dd2/full/843,/0/default.jpg)
![Zone [trial proof 2]](https://api.nga.gov/iiif/b55fc1e7-9393-464d-882d-5849802c27d8/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/1999af7d-aa2f-47f4-b196-48da915e2733/full/843,/0/default.jpg)
![Zone [trial proof 3]](https://api.nga.gov/iiif/48ae5fc8-ddf3-4aaf-bf9b-81e89a127636/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/e0c7a0ce-d1f9-4b47-8a72-7bdca0154a58/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/4b3f4381-5e08-419a-8416-d1a537194072/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/98ee54a4-19f2-4f29-aac6-0efb041360d4/full/843,/0/default.jpg)
![Zone [trial proof 1]](https://api.nga.gov/iiif/87df4b1f-8820-45c3-8926-a1dfca8b3aac/full/843,/0/default.jpg)
![Good Time Charley [trial proof]](https://api.nga.gov/iiif/a6ae03df-f625-4ab6-9c03-fef5bdbebebe/full/843,/0/default.jpg)
![Good Time Charley [working proof]](https://api.nga.gov/iiif/6f452f79-dbde-4d18-b0db-b7dcbe6e0d88/full/843,/0/default.jpg)
![Zone [working proof]](https://api.nga.gov/iiif/9c42b76d-c997-468c-aed0-01333e425774/full/843,/0/default.jpg)
![Zone [trial proof 4]](https://api.nga.gov/iiif/abaee809-c64a-4efa-9539-97ab064e85d9/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 1]](https://api.nga.gov/iiif/f869238d-9300-40a0-bea0-496f7417ef8b/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 9]](https://api.nga.gov/iiif/0bd96582-633e-4ca7-9500-fe28aa733643/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, working proof 17]](https://api.nga.gov/iiif/8349873a-d39e-497b-a444-8b7789424c82/full/843,/0/default.jpg)
![Four Panels from Untitled 1972 [D panel, trial proof 28]](https://api.nga.gov/iiif/f05fd575-87ee-4d47-a89c-7e21e39425e8/full/843,/0/default.jpg)
![Buttocks [proof]](https://api.nga.gov/iiif/a52ffd9a-59e4-4b70-a62f-89bf0b8aa366/full/843,/0/default.jpg)