1. ‘Bridge for the South Pass’ Contributor: H. Pym (surveyor) Date: 1858/1868 Language: English Geographic region: Aden Extent: 1 sheet
2. ‘Sketch Plan shewing proposed line of Scarp on the Southern Range, ADEN’ Contributor: H. Pym (surveyor) Date: 1858/1868 Language: English Geographic region: Aden Extent: 1 plan
3. ‘Longitudinal Section at crest of proposed Scarp’ Contributor: H. Pym (surveyor) Date: 1858/1868 Language: English Geographic region: Aden Extent: 1 sheet
4. ‘Longitudinal Section at crest of proposed Scarp’ Contributor: H. Pym (surveyor) Date: 1858/1868 Language: English Geographic region: Aden Extent: 1 sheet
