def parse_county(self, response):
    for location_block in response.xpath('//div[@class="c-location-grid-item"]'):
        location_url = location_block.xpath('.//a[@class="c-location-grid-item-link"]/@href').extract_first()
        (yield scrapy.Request(response.urljoin(location_url), callback=self.parse_location))
def parse_county(self, response):
    for location_block in response.xpath('//div[@class="c-location-grid-item"]'):
        location_url = location_block.xpath('.//a[@class="c-location-grid-item-link"]/@href').extract_first()
        (yield scrapy.Request(response.urljoin(location_url), callback=self.parse_location))