Photograph showing an unidentified worker spraying trees at the Jantzen Beach Amusement Park in Portland. The worker is standing at the top of a tall wooden scaffold. See related image Nos. 371N5648, 371N5652, 371N5653, and 371N5654.

Photograph showing an unidentified worker spraying trees at the Jantzen Beach Amusement Park in Portland. The worker is standing at the top of a tall wooden scaffold erected on the back of a truck. In the background is a carousel. See related image Nos. 371N5650, 371N5652, 371N5653, and 371N5650.

Photograph showing an unidentified worker spraying trees at the Jantzen Beach Amusement Park in Portland. The worker is standing at the top of a tall wooden scaffold erected on the back of a truck. In the background is a carousel. See related image Nos. 371N5648, 371N5650, 371N5653, and 371N5654.

Photograph showing an unidentified worker spraying trees at the Jantzen Beach Amusement Park in Portland. The worker is standing at the top of a tall wooden scaffold erected on the back of a truck. In the background is a carousel. See related image Nos. 371N5648, 371N5650, 371N5652, and 371N5654.

Photograph showing an unidentified worker spraying trees at the Jantzen Beach Amusement Park in Portland. The worker is standing at the top of a tall wooden scaffold erected on the back of a truck. Two other men are standing on the ground next to the truck. At the bottom of the scaffold is a sign that reads “UNIVERSITY 1439 / SINGER’S SPRAYING SERVICE.” See related image Nos. 371N5648, 371N5650, 371N5652, and 371N5653.