Montana cooperative snow survey data of federal-state-private cooperative snow surveys.

Folded map in pocket.

The Roman Wall : an historical and topographical description of the barrier of the lower isthmus extending from the Tyne to the Solway deduced from numerous personal surveys /

Interleaved with many insertions and manuscript notes ; partly mutilated.

Air Force surveys in geophysics.

Some numbers issued as the Laboratories' AFCRC-TR and AFCRC-TN.

Report on surveys, research projects, investigations and other organized fact-gathering activities of the Government of Puerto Rico.

Mode of access: Internet.

Reconnaissance investigations of reservoir silting in connection with flood-control surveys.

Mode of access: Internet.

Instructions for stream and valley sedimentation surveys /

Mode of access: Internet.

Control of household insects and related pests /

Mode of access: Internet.

The Scottish Farmer Album, with which is incorporated "The Farming world and household year book," containing a complete resumé of the agricultural year.

Mode of access: Internet.