Editing Province of Tarragona (section)

==Geography==
The province of Tarragona is in the northeast of Spain with a coast on the [[Mediterranean Sea]]. Much of the province is hilly or mountainous and the main feature is the broad valley of the [[Ebro|River Ebro]] and the coastal plain which is backed by the Catalan ranges. In general, industrial development is on the coast and inland is predominantly forest and agricultural land. The Mediterranean Sea lies to the southeast of the province, the [[province of Barcelona]] lies to the northeast, [[Province of Lleida|Lleida]] lies to the north, [[Zaragoza (province)|Zaragoza]] to the northwest, [[Province of Teruel|Teruel]] to the west and [[Province of Castellón|Castellón]] to the southwest.<ref>{{cite book |title=Philip's Modern School Atlas |year=1973 |publisher=George Philip & Son |isbn=0-540-05278-7 |page=37 }}</ref> The climate is Mediterranean with hot, dry summers and warm, wet winters.<ref name="Lewis2013">{{cite book|author=Lewis, Lowell |title=Catalonia and California: Sister States |url=https://books.google.com/books?id=HVge6R_CmxcC&pg=PR13 |date=July 2013 |publisher=Author House |isbn=978-1-4817-7032-3 |pages=xiii, 193}}</ref>

The area of the province is {{convert|6500|km2}}. The main crops are cereals, grapes, fruit, olives, hemp, and silk. The province has some mineral resources; copper, lead and silver are found and limestone and marble are quarried.<ref name=Everyman>{{cite book |title=Everyman's Encyclopaedia: Volume 11 |last=Bozman |first=E.F. |year=1966 |publisher=J.M. Dent and Sons |page=575 }}</ref> Quarrying for aggregate has caused groundwater levels to fall and the environment has been adversely affected by the arrival of [[invasive species]] such as the [[zebra mussel]] in the [[Riba-roja d'Ebre]] reservoir on the Ebro, the invasive fish ''[[Gambusia]]'' in the Ebro delta and chemical contamination in the [[Flix, Spain|Flix]] reservoir beside which is a chemical works and a hydro-electric plant.<ref name="Lewis2013"/>