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
, 1974
, 1975
, 1976
, 1977
![#3 (after 'Untitled 1975') [trial proof]](https://api.nga.gov/iiif/1d9fda80-9e79-4bd5-99d0-864deb9d0727/full/843,/0/default.jpg)
![#1 (after 'Untitled 1975') [trial proof]](https://api.nga.gov/iiif/cf8054a2-8e31-4eda-adfc-67e25f8368ae/full/843,/0/default.jpg)
![#1 (after 'Untitled 1975') [working proof]](https://api.nga.gov/iiif/3e7d05ce-f987-41ea-a420-f40a1df88ef0/full/843,/0/default.jpg)
![#2 (after 'Untitled 1975') [trial proof]](https://api.nga.gov/iiif/f8336ef6-463f-4bfc-999d-c556bf307b22/full/843,/0/default.jpg)
![#1 (after 'Untitled 1975') [trial proof]](https://api.nga.gov/iiif/9856a4ef-096a-4c62-a6da-05dd33df19ed/full/843,/0/default.jpg)
![#3 (after 'Untitled 1975') [trial proof]](https://api.nga.gov/iiif/8169f808-7479-4209-8836-a0235ad6d5d5/full/843,/0/default.jpg)
![#2 (after 'Untitled 1975') [working proof]](https://api.nga.gov/iiif/bf75681a-a9c3-4037-8707-30a0b6a30f1e/full/843,/0/default.jpg)
![0 through 9 [trial proof]](https://api.nga.gov/iiif/501bfcf1-7e20-441a-8af2-4802972e106d/full/843,/0/default.jpg)
![#2 (after 'Untitled 1975') [trial proof]](https://api.nga.gov/iiif/a0bae658-6b8b-43d1-922f-470474ca8cbe/full/843,/0/default.jpg)
