Alliance Resource Partners LP ( ARLP) has been named as the ''Top Dividend-Paying Rock Stock'', according to Dividend Channel, which published its most recent ''DividendRank'' report. The report noted that among shares of companies in the minerals and mining space, ARLP displayed both attractive valuation metrics and strong profitability metrics. The report also cited the strong quarterly dividend history at Alliance Resource Partners LP, and favorable long-term multi-year growth rates in key fundamental data points.The report stated, '' Dividend investors approaching investing from a value standpoint are generally most interested in researching the strongest most profitable companies, that also happen to be trading at an attractive valuation. That's what we aim to find using our proprietary DividendRank formula, which ranks the coverage universe based upon our various criteria for both profitability and valuation, to generate a list of the top most 'interesting' stocks, meant for investors as a source of ideas that merit further research.'' The current annualized dividend paid by Alliance Resource Partners LP is $4.70/share, currently paid in quarterly installments, and its most recent dividend ex-date was on 11/05/2013. Below is a long-term dividend history chart for ARLP, which the report stressed as being of key importance. Indeed, studying a company's past dividend history can be of good help in judging whether the most recent dividend is likely to continue.