By reef & palm /

Mode of access: Internet.

Sketch of a rocky cliff. With notes.

[From Jasper Cropsey Sketch book, 1855-1856]

Biological impact caused by changes on a tropical reef /

Mode of access: Internet.

Agathos, the Rocky island, and other Sunday stories and parables.

Mode of access: Internet.

Across the reef: the Marine assault of Tarawa /

Shipping list no.: 93-0617-P.

Prairie and Rocky Mountain adventures; or, Life in the West. To which will be added a view of the states and territorial regions of our western empire: embracing history, statistics and geography, and descriptions of the chief cities of the West.

Mode of access: Internet.

Shipwreck of a Rocky Coast

Adam Willaerts; 2 ft. 1 25/64 in.x 2 ft. 9 35/64 in.; oil on panel

Ships off a Rocky Coast

Adam Willaerts; 2 ft. 39/64 in.x 4 ft. 5/64 in.; oil on panel

Rocky peaks rising from a plain

Leonardo da Vinci; 3 27/64 in.x 5 15/16 in.; red chalk on paper

Summary of airborne reconnaissance in the Little Rocky Mountains, Montana /

"December 1954."