The Avon near Bristol; Samuel Jackson; 1794-1869; British; undated; Watercolor and gouache; with scraping and gum on medium; slightly textured; cream wove paper; Sheet: 11 1/4 x 17 1/4 inches (28.5 x 43.8 cm); birds; boats; canal; cliffs; geology; gorge; grazing; landscape; leisure; limestone; livestock; men; river; science; sheep; shepherds; shipping; ships; trees; Avon; Bristol Channel; England; Europe; United Kingdom