A treatise on roads :
Parnell, Henry Brooke, 1st Baron Congleton.
A treatise on roads : wherein the principles on which roads should be made are explained and illustrated, by the plans, specifications, and contracts made use of by Thomas Telford, Esq. on the Holyhead road / by the Right Honourable Sir Henry Parnell, Bart. - London : Longman, Rees, Orme, Brown, Green & Longman, 1833. - xii, 438p.
Telford, Thomas, 1757-1834.
Road construction--Great Britain.
Road materials--Great Britain.
Roads--Design.--Great Britain
A treatise on roads : wherein the principles on which roads should be made are explained and illustrated, by the plans, specifications, and contracts made use of by Thomas Telford, Esq. on the Holyhead road / by the Right Honourable Sir Henry Parnell, Bart. - London : Longman, Rees, Orme, Brown, Green & Longman, 1833. - xii, 438p.
Telford, Thomas, 1757-1834.
Road construction--Great Britain.
Road materials--Great Britain.
Roads--Design.--Great Britain